John Gribbin is an internationally successful science writer and broadcaster whose many books for adults include In Search of Schrodinger's Cat, Almost Everyone's Guide to Science, Q is for Quantum and Science: A History. His wife Mary is a teacher with a special gift for communicating difficult concepts. They have co-written several titles for adults and children - the latter include Time and the Universe, winner of the TES Junior Information Book Award (Hodder), Eyewitness Time and Space (DK) and Big Numbers (Icon).