Roam's The Back of the Napkin (The Back of the Napkin (Expanded Edition): Solving Problems and Selling Ideas with Pictures)
Book Details
Author(s)Dan Roam
PublisherPortfolio Hardcover
ISBN / ASINB003NQIQS6
ISBN-13978B003NQIQS9
Sales Rank12,385,399
MarketplaceUnited States 🇺🇸










