Searching for "Graph Theory Discovery Learning PDF" can often yield open-source alternatives that follow the same pedagogical path. Top Alternatives for Problem-Based Learning
You are presented with a problem first (e.g., "Can you cross all seven bridges of Königsberg without doubling back?"). By trying to solve it, you "discover" the underlying graph theory principles yourself. graph theory a problem oriented approach pdf best
The official Mathematical Association of America website often provides digital access or excerpts for members and students. Searching for "Graph Theory Discovery Learning PDF" can
While more traditional, it includes a massive array of diverse problems that range from simple to complex. If you can't find the Marcus PDF or
Perhaps the most "friendly" book on the subject, focusing on visual intuition and classic puzzles.
If you can't find the Marcus PDF or want to supplement your learning, check out these highly-rated "problem-first" books: