Endeavors to explain Einstein's general theory of relativity, beginning with the equivalence principle and covering the necessary mathematics of Riemannian spaces and tensor calculus, offering readers a deeper understanding of the universe's real structure.

Days before his thirteenth birthday, science-lover Finn learns that the women of his family are time travelers and he is expected to help locate his missing mother.

Viewing Einstein as God's mouthpiece this book is the first to discuss letters from Einstein that puts a spin on his relationship with other scientists and his early efforts to prove his theories.

"The birth of a world-changing idea, relativity, and how it was shaped by the social upheaval and bloody horror of the First World War"--

Aaron Cross is an agent groomed by the government program that also unleashed Jason Bourne, but with a few new wrinkles. Cross is busy training in Alaska when he's caught in a tsunami of hurt, thus beginning a frantic search for answers to who and what he is.

Mike, a bright and determined high school senior, strives to be a wrestler despite having cerebral palsy. Throughout his journey, Mike proves that any obstacle can be overcome through hard work and optimism. His peers watch in awe as Mike digs deep and unleashes his unstoppable spirit, proving that facing your challenges will make you stronger as long as you never give up, and that you can motivate others to win from within, too.