? How do Gravity Trains work? ? Is it possible to cross all the bridges just once? ? Can an infinite hotel ever be truly full? ? Why do left and right reverse in a mirror when up and down do not? ? Which asymmetric dice should you choose? ? Why are digital roots so useful? ? Can you survive a bite from a Logonian mamba? ? How many infinities are there? ? ?And just how many fingers do Trellians actually have? These questions and many others are explored in Paul Holmes? second volume of puzzles. Written as a science fiction story with a twist, each chapter is a separate puzzle, involving mathematics, logic, anagrams, physics, word play, number theory and a cipher. The chapters are interspersed with much shorter brain teasers (including Where in the World Am I?, What Comes Next?, Wordy Interludes, General Knowledge quiz questions and a Word Search) especially designed for those with only a few minutes to spare. ? About The Galactic Festival Interstellar trader, ?Captain? Jim Singleton, lives in Yorkshire but spends most of his time in space bars, on sinister planets far from the civilisin