Combinatorics

Best combinatorics books and tools

Resources for Combinatorics under Mathematics. Pair these picks with articles on thestemprofessor.com.

• Introductory Combinatorics (Richard Brualdi) — Standard undergrad counting and combinatorial proofs.
• A Walk Through Combinatorics (Miklós Bóna) — Problem-rich path from basics to generating functions.
• Combinatorics and Graph Theory (Harris, Hirst & Mossinghoff) — Pairs combinatorics with graph previews for discrete courses.
• Schaum's Outline of Combinatorics — Extra counting and pigeonhole problems for exams.
• STEM lab notebook (grid + ruled) — Keep lab notes, units, and sketches in one place.
• Index cards for formulas and terms — Quick review between lectures and problem sets.