"It All Adds Up" by Mickaël Launay sounds like a fascinating book that explores the history and importance of mathematics in our lives. The book delves into how mathematics has been pivotal to human development and reveals the amazing anecdotes and anthropological insights behind some of the most important mathematical ideas that have changed the world. From the Babylonian scholars who developed one of the first complex mathematical languages to the adoption of "Arabic" numbers from India, the book covers the contributions of great men and women of mathematics from Aristotle to Ada Lovelace. With clarity, passion, and wisdom, the author provides readers with a newfound appreciation for the numbers that surround us and the rich stories they contain.