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Julius Grimmenstein

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38 reviews

Julius Grimmenstein

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Julius’s Bookshelves

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Julius is Currently Reading

The Mom Test: How...

Julius Grimmenstein is currently reading

The Mom Test: How to talk to customers & learn if your business is a good idea when everyone is lying to you

by Rob Fitzpatrick (Goodreads Author)

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progress:

(page 30 of 138)
— Nov 12, 2026 07:42AM

Nov 08, 2026 10:19PM

2026 Reading Challenge

Julius Grimmenstein has read 5 of 16 books.

31%

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