The official title of this book is “Dinosaurs: The Most Complete, Up-to-Date Encyclopedia for Dinosaur Lovers of All Ages,” and was written by paleontologist Dr. Thomas Holtz Jr, who has also contributed to the Jurassic Park: Institute. The book is large tome of 432 pages, including illustrations by renowned paleontographer Luis V. Rey. Although the book was published in 2007, it remains one of the most up-to-date encyclopedias on dinosaurs and paleontology to this date, and many paleontologists and paleontology enthusiasts acknowledge it’s veracity. The book was contributed to by over 30 other world-leading paleontologists. The information in the book continues to be updated through its web page at the University of Maryland, where Dr. Holtz teaches.