SICP and at least 3 volumes of TAoCP - for myself. Any beginner books on JS, Python, Lua etc - for neighbour kids. The hardest math book which is still unders

SICP and at least 3 volumes of TAoCP - for myself. Any beginner books on JS, Python, Lua etc - for neighbour kids. The hardest math book which is still understandable - anti-age therapy for brain, works only if to keep solving the tasks from time to time.