I have 3 vintage Math Schaum's Outline Series softcover books in very good condition
Book 1- Modern Algebra Frank Ayres, Jr.Includes 425 solved problems covering topics like group theory, rings, and fields.
Book 2- Finite Mathematics Seymour Lipschutz Includes 750 solved problems focusing on set theory, probability, and linear programming.
Book 3- Real Variables Murray R. Spiegel Includes 375 solved problems regarding Lebesgue measure and integration.