Bor Pollag's Book of Alien Monsters
From Tardis Wiki, the free Doctor Who reference
Bor Pollag's Book of Alien Monsters was a guide-book written by Bor Pollag. In it there were illustrated entries on Akker-Takkers, Algolian Sithersbacks, Apostles of Grarb, and the Arachnopods. The Fourth Doctor had a copy of the book on his person when he was on the G-Lock. (PROSE: Festival of Death)