TY - BOOK AU - Levy,Elizabeth AU - Brunkus,Denise TI - The schoolyard mystery T2 - Hello reader! Level 4 SN - 032912675X AV - PZ7.L5827 Se 1994 U1 - [E] 22 PY - 1994/// CY - New York PB - Scholastic KW - Mystery and detective stories KW - Schools KW - Fiction KW - Mystery fiction KW - sears KW - School stories N1 - 3.4; Follett Library Resources; K-3; Follett Library Resources N2 - Chip, an invisible boy, and his friends solve the mystery of who took the school ball from the playground ER -