※ This is an old textbook from 26 years ago, so there are some stains and scratches on the front and back covers. ☆ This is a textbook from the NHK Human University by Masako Izawa, who was an associate professor at the University of the Ryukyus at the time. She mainly researches the ecology of feral cats. ☆ The fourth photo is the table of contents. Lesson 1: Investigating Feral Cats in Residential Areas Lesson 2: Feral Cats Forming Groups Lesson 3: What is Animal Society? Lesson 4: The "Separating" Society of the Felidae - Tigers Lesson 5: "Grouping" Cats - Lions and Cheetahs Lesson 6: Feral Cats Hunting - Feral Cats in Australia Lesson 7: The Group Society of Feral Cats and Its Variations Lesson 8: Research and Conservation of the Iriomote Yamaneko (Wildcat) Lesson 9: "Grouping" Dogs Lesson 10: The Dividing Line Between Grouping and Separating Lesson 11: Social Evolution of the Felidae Lesson 12: Environment and the Plasticity of Social Systems ☆ The fifth photo is an introduction to the lecturer, Professor Masako Izawa, and the colophon of the textbook. ☆ The sixth photo shows the mood chart based on the expressions and postures of feral cats. ☆ NHK Human University, January-March 1999 ■ Size: A5 size 128 pages (Actual size) ・Length = approx. 209mm ・Width = approx. 148mm 【About Packaging】 ・Waterproofed with a plastic bag, protected with cardboard, and sealed in a brown envelope. 【About Yu-Yu Mercari Delivery】 Anonymous delivery With compensation With tracking #MasakoIzawa