Try Bugs for Lunch, by Marge Facklam (additional info); There's no Place Like Space, by Tish Rabe but it's a Cat in the Hat book series (glossary and further reading); Dad, Jackie and Me (additional info), by Myron Uhlberg; Cora Cooks Pancit (glossary and recipe), by Dorina K. Lazo Gilmore; Arrowhawk (additional info), by Lola M. Schaefer; Golden Domes and Silver Lanterns by Hena Khan (glossary).
Just looked at your link--great list. I love Wabi Sabi! I think Graeme Base uses back matter in almost all his books too with the games he adds. I'm thinking in particular of The Jewel Fish of Karnak. My kids loved that one.