This page contains corrections and comments to mathematical aspects of the text. Contributors' names appear in parentheses.

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Chapter 1

• p 16. Figure 1.19(b). Add the edge xy (James Roth).
• p 26. Exercise 1.28 (b) Replace R_n by S_n (San Skulrattanakulchai, G.A.C.)

Chapter 2

• p 37. Exercise 2.12. Should be ``diam(G) \le 4'' (David L. Ritter, F.I.U.)

• p 49. For the matrices A^2 and A^3, the 5th row in A^2 should be: 1 1 1 0 1 and the 5th row in A^3 should be: 2 1 1 4 0. (Jonathan Marks)

Chapter 5

• p 129. Exercise 5.36: This exercise should be reworded. (David Erwin, U.K.)

Chapter 7

• p 164. Line 6 in the proof of Theorem 7.3: Should be: W'': v= w_j, w_{j+1}, ... , w_k = w_0, w_1, ... w_i = u. (Varaporn Saenpholphat, S.U.)

Chapter 10

• p 288. Exercise 10.20: This exercise should be reworded.

Chapter 11

• p 314. Exercise 11.20: Should be: ``contains a K_4-e or a subdivision of K_4-e.''

Chapter 13

• p 372. Exercise 13.16: add ``n \equiv 0 (mod 3)'' (Futaba Okamoto)

Solutions and Hints

• p 401. Exercise 2.35: x = 3 is another solution. (Futaba Okamoto)
• p 406. Exercise 5.17: should be ``G \cong K_1 + (K_1 \cup K_2)''. (Varaporn Saenpholphat, S.U.)
• p 407. Exercise 5.31: Change \kappa_1(G) to \lambda(G). (Futaba Okamoto)