Mark Grupp
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Mark Grupp

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Mark Grupp’s favorite books

A Spy's Guide to Thinking by John Braddock
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Mark Grupp is Currently Reading

The Advancing Gui...
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Jan 31, 2026 02:07PM
The Complete Guid...
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by Joseph Alexander (Goodreads Author)
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Sep 02, 2024 02:44PM
The Call of Cthulhu
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Sep 19, 2025 01:32AM
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Mark Grupp’s 2025 Year in Books
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Mark Grupp’s Friends (6)

Manjuna...
Manjunath Sundararaju
1 book | 16 friends

Shelley
Shelley
503 books | 27 friends

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Matt Keever
578 books | 10 friends

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David Stolt
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Debbie Sass ponath
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Dave Curtis
23 books | 12 friends


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Favorite Genres

Business, Fiction, Historical fiction, History, and Non-fiction


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