Discover new books on Goodreads

See if your friends have read any of Harry Percival's books

171 ratings | 6 reviews | avg rating:4.48

Harry’s Year In Books

Harry’s 2025 Year in Books

Take a look at Harry’s Year in Books, including some fun facts about their reading.

Go to Harry’s 2025 Year in Books

Harry Percival’s Followers (66)

Harry’s Bookshelves

to-read (14)
currently-reading (4)
read (174)
did-not-finish (0)

Harry’s Friends (36)

traims

699 books | 15 friends

Daniel Greenfeld

30 books | 98 friends

Trey Hunner

705 books | 112 friends

Ester

261 books | 37 friends

Nicholas Tollervey

22 books | 20 friends

Giles Thomas

1,584 books | 5 friends

Adrian Smith

1,504 books | 259 friends

Audrey

65 books | 182 friends

More friends…

Harry Percival

Goodreads Author

Website

http://www.obeythetestinggoat.com/

Genre

Nonfiction

Member Since

September 2012

edit data

Learn more
Ask the Author

To ask Harry Percival questions, please sign up.

Combine Editions
Harry Percival’s books

Average rating: 4.3 · 964 ratings · 94 reviews · 4 distinct works • Similar authors

	Architecture Patterns with Python: Enabling Test-Driven Development, Domain-Driven Design, and Event-Driven Microservices by Harry Percival (Goodreads Author), Bob Gregory 4.40 avg rating — 516 ratings — 8 editions	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	Test-Driven Development with Python: Obey the Testing Goat: Using Django, Selenium, and JavaScript 4.19 avg rating — 443 ratings — published 2010 — 24 editions	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	Test-Driven Development with Python: Obey the Testing Goat: Using Django, Selenium, and JavaScript really liked it 4.00 avg rating — 4 ratings	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	Test-Driven Development with Python: Obey the Testing Goat: Using Django, Selenium, and JavaScript it was amazing 5.00 avg rating — 1 rating	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars

* Note: these are all the books on Goodreads for this author. To add more, click here.

10 posts
Harry Percival's Blog

Making Enums (as always, arguably) more Pythonic

View more on Harry Percival's website »

Like • 0 comments • flag

Published on October 27, 2020 05:00

View all 10 posts »

Series by Harry Percival

Test-Driven Development with Python (1 book)
by

Harry Percival (Goodreads Author)

4.19 avg rating — 443 ratings

Harry is Currently Reading

Harry is currently reading

The Disintegrating Self: Psychotherapy of Adult ADHD, Autistic Spectrum, and Somato-psychic Disorders

by Phil Mollon

bookshelves: currently-reading

Rate this book

Clear rating

1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars

Dec 18, 2025 04:04PM

Harry rated a book really liked it

Patterns of Software: Tales from the Software Community

by Richard P. Gabriel

bookshelves: currently-reading

Rate this book

Clear rating

1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars

Nov 28, 2025 03:52AM

Harry is currently reading

Data Science from Scratch: First Principles with Python

by Joel Grus

bookshelves: currently-reading

Rate this book

Clear rating

1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars

Mar 07, 2022 04:17AM

rss
Harry’s Recent Updates

Harry rated a book it was amazing When Things Fall Apart: Heart Advice for Difficult Times. An insightful guide to self-improvement through compassion and wisdom by Pema Chödrön	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
Mar 07, 2026 11:12AM · like · preview book See a Problem? We’d love your help. Let us know what’s wrong with this preview of When Things Fall Apart by Pema Chödrön. Problem: Details (if other): Thanks for telling us about the problem. Not the book you’re looking for? Preview — When Things Fall Apart by Pema Chödrön <iframe sandbox id="wrongBookKindlePreviewScreen">
Harry is currently reading The Disintegrating Self: Psychotherapy of Adult ADHD, Autistic Spectrum, and Somato-psychic Disorders by Phil Mollon	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
Dec 18, 2025 04:04PM · like
Harry rated a book really liked it Patterns of Software: Tales from the Software Community by Richard P. Gabriel	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
Nov 28, 2025 03:53AM · 2 likes · like · preview book See a Problem? We’d love your help. Let us know what’s wrong with this preview of Patterns of Software by Richard P. Gabriel. Problem: Details (if other): Thanks for telling us about the problem. Not the book you’re looking for? Preview — Patterns of Software by Richard P. Gabriel <iframe sandbox id="wrongBookKindlePreviewScreen">
Harry rated a book it was amazing No Bad Parts: The Bestselling Guide to Healing Trauma & Restoring Wholeness with the Internal Family Systems Model by Richard C. Schwartz	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
Nov 28, 2025 03:53AM · like · preview book See a Problem? We’d love your help. Let us know what’s wrong with this preview of No Bad Parts by Richard C. Schwartz. Problem: Details (if other): Thanks for telling us about the problem. Not the book you’re looking for? Preview — No Bad Parts by Richard C. Schwartz <iframe sandbox id="wrongBookKindlePreviewScreen">
Harry rated a book it was amazing Eleanor Oliphant Is Completely Fine by Gail Honeyman	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
Oct 29, 2025 02:19PM · 1 like · like · preview book See a Problem? We’d love your help. Let us know what’s wrong with this preview of Eleanor Oliphant Is Completely Fine by Gail Honeyman. Problem: Details (if other): Thanks for telling us about the problem. Not the book you’re looking for? Preview — Eleanor Oliphant Is Completely Fine by Gail Honeyman <iframe sandbox id="wrongBookKindlePreviewScreen">
Harry rated a book it was amazing The Courage to Be Disliked: How to Free Yourself, Change Your Life and Achieve Real Happiness by Ichiro Kishimi	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
Aug 19, 2025 10:10PM · 2 likes · like · preview book See a Problem? We’d love your help. Let us know what’s wrong with this preview of The Courage to Be Disliked by Ichiro Kishimi. Problem: Details (if other): Thanks for telling us about the problem. Not the book you’re looking for? Preview — The Courage to Be Disliked by Ichiro Kishimi <iframe sandbox id="wrongBookKindlePreviewScreen">
Harry rated a book it was amazing Structure and Interpretation of Computer Programs by Harold Abelson	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
Jul 20, 2025 09:34AM · 1 like · like
Harry rated a book it was amazing The Death of Ivan Ilyich by Leo Tolstoy	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
Jul 20, 2025 09:32AM · 1 like · like · preview book See a Problem? We’d love your help. Let us know what’s wrong with this preview of The Death of Ivan Ilyich by Leo Tolstoy. Problem: Details (if other): Thanks for telling us about the problem. Not the book you’re looking for? Preview — The Death of Ivan Ilyich by Leo Tolstoy <iframe sandbox id="wrongBookKindlePreviewScreen">
Harry rated a book really liked it Engine Summer by John Crowley	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
Jul 20, 2025 09:30AM · 1 like · like
Harry has read Lake of Darkness by Adam Roberts	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
Jul 14, 2025 12:42AM · like · preview book See a Problem? We’d love your help. Let us know what’s wrong with this preview of Lake of Darkness by Adam Roberts. Problem: Details (if other): Thanks for telling us about the problem. Not the book you’re looking for? Preview — Lake of Darkness by Adam Roberts <iframe sandbox id="wrongBookKindlePreviewScreen">

More of Harry's books…

Quotes by Harry Percival (?)

“you’d learn which buttons did what, so that you could give one another instructions. “Press the red button near the flashing”
― Harry Percival, Architecture Patterns with Python: Enabling Test-Driven Development, Domain-Driven Design, and Event-Driven Microservices

0 likes

“We have a microservice with a web API,”
― Harry Percival, Architecture Patterns with Python: Enabling Test-Driven Development, Domain-Driven Design, and Event-Driven Microservices

0 likes

Harry’s Friend Comments

No comments have been added yet.

Harry Percival’s Followers (66)

Harry Percival

Goodreads Author

rssHarry’s Recent Updates

See a Problem?

Preview — When Things Fall Apart by Pema Chödrön

See a Problem?

Preview — Patterns of Software by Richard P. Gabriel

See a Problem?

Preview — No Bad Parts by Richard C. Schwartz

See a Problem?

Preview — Eleanor Oliphant Is Completely Fine by Gail Honeyman

See a Problem?

Preview — The Courage to Be Disliked by Ichiro Kishimi

See a Problem?

Preview — The Death of Ivan Ilyich by Leo Tolstoy

See a Problem?

Preview — Lake of Darkness by Adam Roberts

rss
Harry’s Recent Updates