TY - BOOK AU - Burton, Margie. TI - How many are left? U1 - EA BUR PB - [unknown]. KW - Mathematics KW - Juvenile fiction KW - Subtraction N1 - Alphabetic braille; Guided reading: H; Reproduced from Pelham, NY: Benchmark Education Co., c1999 N2 - This book is about sharing with friends and subtracting items ER -