3 books.

One is a repair manua for old Calais, Pontiac grand am, Buick skylark, and buick Somerset 1985-1986.

Book two is Chilton # 28660 repair manual for Grand Am, achieve, Calais, skylark , & Somerset 1985-1998

Book 3 Hayne repair manual for buick skylark 1980-1985 all x-car models 151 cu in L4, 173 cu in V6.