Baltazar - Math Drills - New paperback or softback - X555z

Gossett - Discrete Math - The Graphic Novel - New paperback or softbac - X555z

Ho - New Math Chess - New paperback or softback - X555z

Discrete Math: The Graphic Novel (Paperback or Softback)

Discrete Mathematics with Proof by Eric Gossett (2009, Hardcover)

Gossett - Thomas Middleton in Context - New paperback or softback - X555z

Lorente Pupo - Chess 4 Math - New paperback or softback - X555z

Harmon - Math Bath - New paperback or softback - X555z