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.
In “Jurassic World“, Gray Mitchell also owns this book, as it’s seen on a bedside shelf in his Wisconsin home bedroom with several other books and a row of dinosaur toys.
