AALF learns about numbersALF learns about numbersde Dick DudleyMateriasCountingExtraterrestrial beingsFictionSpecimensToy and movable booksEdiciones (1)ALF learns about numbers (1988)Checkerboard Press · inglésMás obras de Dick DudleyTThe twelve days of ChristmasThe twelve days of ChristmasTThe Friendly beastsThe Friendly beastsBBaby coelophysisBaby coelophysis