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 Universe', winner of the TES Junior Information Book Award (Hodder), 'Eyewitness: Time and Space' (DK) and 'Big Numbers' (Icon).