Book excerpt: A companion series to our "Competitive Mathematics for Gifted Students," the series "Math Challenges for Gifted Students" offers additional material in practice test form. The workbooks are useful for assessment and for development of testing skills. In full color and with fully explained solutions, the workbooks may be used as a fun introduction to problem solving. The workbook contains six 30-question tests. After each test, there is an answer key. The tests are followed by detailed solutions that outline various problem solving strategies appropriate for the respective age. The recommended time limit for each test is of 75 minutes.