My friend Tertius /
Fenton, Corinne,author.
Swan, Owen(Illustrator),illustrator.
"This is the true story of two lives brought together by chance. Arthur Cooper, working in intelligence for the British Government in pre-war Hong Kong, rescues a small gibbon and names him Tertius"--Back cover.
Cooper, Arthur R. V., -1988.
Tertius (Gibbon)
Intelligence officers
Gibbons
Gibbons as pets