Testing Business Ideas

by David J. Bland and Alexander Osterwalder · 2019

A handbook of experiments for validating business ideas before scaling them.

1 source-backed recNo paid placementBuy links disclosed

Author signal

David J. Bland · Book author

Alexander Osterwalder · Book author

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Author signal

Some books matter because the author has done rare work in the real world. We show that separately from who recommended the book.

David J. BlandBook author

Author credited for a Steve Blank Books for Startups catalog title.

Alexander OsterwalderBook author

Author credited for a Steve Blank Books for Startups catalog title.

Recommended by, documented so far

Testing Business Ideas appears in 1 currently documented source-backed recommendation.

Steve Blank Entrepreneur and customer-development author

Strong recommendation Official startup reading list official

Testing Business Ideas is the best summary of how to run Customer Discovery and Validation experiments in print.

Exact quote verified Strong recommendation official Books for Startups

We captured the recommendation language from the source.

Steve Blank · accessed 2026-06-21 · accessed 2026-06-21

Steve Blank's official Books for Startups page names these titles in startup reading sections and includes direct guidance such as must-have, must-read, essential reading, useful read, or listed book guidance.

Open source

Strong recommendation · Official startup reading list · official Source accessed 2026-06-21

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