Cambridge, MA: Candlewick Press, 2005. SIGNED hardcover first edition - An informative and striking pop-up book by two modern masters of the art. SIGNED by both Robert Sabuda (with "best wishes") and Matthew Reinhart (with :Look out for that big T-Rex!") on the first double page spread. More than 35 pop-ups with 6 large double page spreads and smaller booklets on the corners and edges of every page, with information on over 50 different species of dinosaurs. Separate cover sheet is included. ISBN: 0-763622281.