Grover, Grover, Come on Over! (Step into Reading, Step 1, paper)
By Katharine Ross.
Description
Illus. in full color. Grover can't come over because he's busy working on a secret recycling project. Young readers can unravel the mystery as Grover enlists the help of Elmo, Betty Lou, Bert and Herry to make his idea fly. - from Amzon
ISBN(s)
0679811176, 9780679811176