Pocket Posh® Sudoku 10 UK combines a wonderfully attractive package with 100 Sudoku puzzles in 3 difficulty levels, featuring the London Tube map on its cove

Addressing a field that has been dominated by astronomers, physicists, engineers, and computer scientists, the contributors to this collection raise questions t

“Another gem from one of the world’s justly celebrated historians specializing in unusual and always fascinating subjects and people.” — Booklist (starr

Provides a comprehensive series of tasks and functional carryover activities allowing for integration of language and cognitive skills for neurologically-impair

A multifaceted biography of a brilliant mathematician and iconoclast A mathematician unlike any other, John Horton Conway (1937–2020) possessed a rock star’