The COMPLETE BOOK of Product Design, Development, Manufacturing, and Sales: A Profit-First guide for anyone looking to develop and sell products/inventions. REVISED FOR 2026

Steven Selikoff, B0898R3JJD, B09HQC2MWQ, B089M61K8G, 979-8492591250, 979-8649134422, 9798492591250, 9798649134422