Issues 1-2 of 'Dinosaurs - An Illustrated Guide'
Tome Press, a Division of Caliber Press, 1991, 40 pages each
Illustrations and accompanying text by Charles Yates
Exactly what it says it is, only, they're comic books. Published a few years before the first 'Age of Reptiles' books, I definitely get the vibe that these may have been some form of inspiration for those.