Imponderables: Answers to the Most Perplexing and Amusing Mysteries of Everyday Life is a humorous and informative reference book in which David Feldman investigates the small, strange questions that people encounter in everyday life. It combines science, nature, language, food, animals, popular culture, sports and everyday phenomena with entertaining explanations.

The book is structured around questions and answers, making it an easy book to browse rather than something that needs to be read from beginning to end.