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This book deals with the theoretical and the computational aspects of the classical Tower of Hanoi Problem (THP) and its multi-peg generalization. •Chapter 1 reviews the classical THP in its general form with n(?1) discs and 3 pegs, with the algorithms, both recursive and iterative. •Chapter 2 considers the multi-peg generalization with n discs and p pegs, and gives some local-value relationships satisfied by M(n,p), kmin(n,p) and kmax(n,p), where M(n,p) is the presumed minimum number of moves, and kmin(n,p) and kmax(n,p) are the optimal partition numbers, and presents a recursive algorithm •Chapter 3 gives the closed-form expressions for M(n,4), kmin(n,4) and kmax(n,4), and gives an iterative algorithm based on the divide-and-conquer approach. It is shown that, for n?6, the presumed minimum solution is the optimal solution. •Chapter 4 extends the results of Chapter 3 to find the explicit forms of M(n,p), kmin(n,p) and kmax(n,p), and establishes the equivalence of four formulations of the multi-peg THP. The divide-and-conquer approach has also been extended.