Oh man, you were lucky. We only had “Biota of Freshwater Ecosystems - Identification Manual Number 9 - Crayfishes (astacidea) of north and Middle America”.

Mom kept saying that if I got good grades, she’d get me the “Freshwater Crayfish 12: Proceedings of the Twelfth Symposium of the International Association of Astacology held on August 3 to 9 in Augsburg, Germany” cartridge, but Algebra was hard that year…