20 chapters covering every Data Science interview round at FAANG. ML Theory & Applied ML | Statistics & Probability | Python & SQL | A/B Testing & Experimentation | Case Studies & Product Analytics 100+ worked problems with full reasoning. The thought process interviewers look for. Includes the TRAIN framework for ML system design and METRIC for product analytics. Built by a Silicon Valley Product Leader. 200+ interviews at Amazon and Microsoft. $9.99 on Kindle