Magic Tree House
Junie B. Jones
1, 1, 2, 3, 5, 8, 13, 21, 34. . . Look carefully. Do you see the pattern? Each number above is the sum of the two numbers before it. Though most of us are unfamiliar with it, this numerical series, called...
Illus. in full color. A lively mouse invites kids to count the cumulative sequences of toys, planes, animals, and other familiar objects.