Simon’s brand new book, REX, is published in hardback, in April with Walker books.  It could be described as a book about adoption and step- parenting with T-rexes. The story begins with a terrifying tyrannosaurus rex who is befriended by a newly hatched tiny dinosaur who believes he might be his dad. It doesn’t appear to be a good match at first, but events conspire to make sense of this unusual pairing. REX is available from all bookshops and online.