The LEGO Parts Guide: Understand how LEGO really works

by Tom Alphin

Discover the hidden logic within every LEGO brick through detailed illustrations, a well-organized parts catalogue, and a splash of history. Explore parts you never knew existed. Use the chapters as a starting point to organize your collection.

LEGO is a visual language where parts are the words, connections are the grammar, and The LEGO Parts Guide is your new dictionary.

Get organized — and build something awesome!

136 pages, Paperback

Published October 19, 2026

About the author

Tom Alphin is the author of 'The LEGO Architect' which teaches 7 popular architectural styles using LEGO. Each style is explored through LEGO models, photos of buildings in each style, and instructions to build a model in each style.

'The LEGO Parts Guide' is a curated catalogue of more than 2,400 LEGO parts carefully organized into 12 chapters. Each chapter explains how LEGO really works through text, detailed illustrations, and a splash of history. It's a serious tool for LEGO builders in the shape of a book.

Find more resources for serious LEGO builders at the Brick Architect website.

Tom also has 25 years of experience as a User Experience engineer, is an enthusiastic traveler, photographer, hiker, and lover of the outdoors.

Reviews

[Sarah · Rating 5 out of 5]

It’s pictures of all the most common Lego bricks and a short guide to how they stick together and their geometry. If this is what you need this is the book for you.