Gr 4-7--This activity book is illustrated with lively black-and-white cartoon figures and shapes to reproduce, cut out, and construct. Many of the projects will require adult help for understanding and manipulation. The focus is on geometry, numbers, and shapes and includes levels of math from mere counting to Fibonacci sequences to the hyperboloid. The brightly colored cover draws readers in but the dense text might turn off those with less understanding of math. There are step-by-step instructions clearly numbered for each project and quick explanations about the math involved. While many patterns are included, they must be enlarged or reproduced on heavier paper so a copier is necessary. While individuals are instructed to copy patterns, no copyright privileges are extended for teachers or schools, making this a home-use product only.--Erlene Bishop Killeen, Stroughton Area School District, WI[Page 123]. (c) Copyright 2010. Library Journals LLC, a wholly owned subsidiary of Media Source, Inc. No redistribution permitted.