Lewis Carroll Epstein explains deep ideas in physics in an easy-to-understand way. iThinking Physicsi is a perfect beginner's guide to an amazingly wide range of physics-related questions. The book targets topics that science teachers and students spend time wondering about, like wing lift. Epstein elucidates the familiar but misunderstood -- such as how tides work -- along with more obscure but fascinating phenomena like the Bernoulli sub and the artificial aurora created by hydrogen bombs. Broken into many short sections and peppered with Epstein's own playful hand-drawn illustrations, the book does not simply give the right answer It also goes into the answers that seem right but are wrong and shows why they are wrong -- a rarity in science books. iThinking Physicsi is a rigorously correct, lighthearted, and cleverly designed Q and A book for physicists of all ages.