The Case of the Pencil ProblemMrs. Hall's desk is overflowing with new pencils! But why are there so many? Be a math detective along with the kids at Lincoln Elementary and help solve this pick your own path mystery. Use your math skills and knowledge of place value to solve the case. Choose the right answer, and advance to the next clue. Choose the wrong answer, and clear text and visuals explain the math and encourage you, the reader, to try again. Friendly illustrations with a

Includes biographical facts about the most decorated female Olympic swimmer

a jazz quartet consisting of Hammerfingers on piano

ISBN 978-1-64026-199-0

ISBN 978-1-64026-068-9

ISBN 978-1-64026-211-9

Take a close look at volcanoes through engaging text

ISBN 978-1-56846-305-6

using accessible but energetic text and action-oriented photos to spotlight its greatest players and most exciting moments

a boy meets a shapeshifting creature called IT

including the causes of the economic downturn

and a Brazilian tale about the big cat

Also included is a pictorial diagram of the important rescue vehicle and its equipment