00441nam a22001337a 4500999001900000020001800019100001400037245003100051260002300082300001100105942000700116952008700123952009700210  c262143d262142  a9780021011049  aMacmillan  aSolving The Pyramid Puzzle  aU.S.AbMcGraw-Hill  a24 pgs  cBK  001040708NFICa40404b40404cCHILDd2023-12-04l0pCL/2021/1331r2023-12-04yBK  001040708NFICa40404b40404cCHILDd2024-03-14l0pCL20233338r2024-03-14w2024-03-14yBK