just how smart are you, anyway? Phillips, Louis 1942- creator Stevenson, James 1929-2017 illustrator text New York Puffin Books 1985 monographic 87 pages : 22 cm. A collection of mathematical and verbal brain-teasing questions interspersed with "brain vacation" jokes. U 900 Lexile estimate U Raz-Plus by Louis Phillips ; illustrated by James Stevenson. Puzzles Juvenile literature Mathematical recreations Juvenile literature Literary recreations Juvenile literature Puzzles Mathematical recreations Literary recreations GV1493 793.73 0140318755 9780140318753 DLC 20231103104221.0 2058 eng