If you love to test your mind why not pit your wits against these brain stretching challenges inspired by the scientific genius of Albert Einstein. Compiled by bestselling puzzle author Gareth Moore, this collection includes all manner of scientific and mathematics based puzzles that will truly put your skills to the test. Includes: • Science-based puzzles to challenge your understanding of the world around you • Mathematical conundrums to test your number skills • Logical teasers that will require you to think abstractly • Incomplete lab reports where you must work out the results that were obtained • Physics diagrams for you to complete, using a mix of logic and number skills Do you have what it takes to solve them all? ABOUT THE SERIES: The Sirius Classic Conundrums series brings together mind-bending narrative puzzles inspired by classic figures from history and literature, from ancient antiquity to modern greats.