The Algorithm Design Manual, 3rd ed by Steven S. Skiena; seller Anaira Enterprises. Structure: Practical Algorithm Design (design/efficiency) and Hitchhiker's Guide (catalog, implementations). 3rd ed adds randomized algorithms, hashing, divide-and-conquer, approximation, quantum; full-color illustrations; war stories. Problems & code: 100+ new problems incl. LeetCode and Hackerrank; many algorithms with C code; links to C, C++, Java. Tools: catalog of 75 common algorithmic problems; interview job problems; take-home lessons; no theorem-proof style. Shipping: handling 1–3 business days after cleared payment; shipping 6–15 business days; transit may exclude weekends/holidays. .