Praise for The One Thing You Need to Know : "Getting a new Marcus Chown book is like receiving a warm science hug." - Brian Clegg, Author of Lightning Often Strikes Twice (Popular Science Books Blog) "Chown packs in considerable amount of information in those short sections, often bringing in stories of the discovery or development of the science to humanise it and make it more approachable." - Brian Clegg, Author of Lightning Often Strikes Twice (Popular Science Books Blog) "A brilliant, highly simplified and approachable introduction to some of the biggest topics in science." - Brian Clegg, Author of Lightning Often Strikes Twice (Popular Science Books Blog) "I enjoyed that the book focuses on many different areas of science rather than just one specific field, and I learnt quite a lot from it." - @_forbookssake for @lovebookstour on Instagram " The One Thing You Need to Know is a road map to all of those scientific questions you wish you knew the answer to." - Howard Hughes, The Unexplained Podcast on Talk TV "Twenty-one great chapters!" - George Noory, Coast to Coast AM, iHeart Podcast Network Praise for Marcus Chown: "Marcus Chown rocks!" - Brian May, Queen "Finest cosmology writer of our day." - Matt Ridley "Chown writes as if he were addressing his fellow human beings." - New Scientist "Of all the top-rank science writers, he has the most friendly style, making complex science as simple and approachable as possible.

" - Brian Clegg "Whether you are the general public a student or an academic who just wants a primer on the topic, Chown writes wonderfully, telling a history of how black holes became a topic of science." - Davis Bullock "Whether you are the general public a student or an academic who just wants a primer on the topic, Chown writes wonderfully, telling a history of how black holes became a topic of science." - The Space Page.