TY - BOOK AU - Betancourt, Jeanne AU - Riley, Kellee TI - Pony mysteries: The clue in the clubhouse T2 - Scholastic reader SN - 9780545115070 AV - PZ7.B46626 C U1 - 370 PY - 2011/// CY - New York PB - Scholastic KW - Horses KW - Horses and Ponies KW - School age KW - Mystery N1 - L ; 520 ; Lexile ; L ; Raz-Plus N2 - Penny Ryder and her friends make their very own clubhouse. Then they solve their latest mystery with the help of Penny's pony, Pepper ER -