In 1968, Asch published his first picture book, ''George's Store''. The following year, he graduated from Cooper Union with a BFA. Since then he has taught at a public school in India, as well as at a Montessori school in the United States, and conducted numerous creative workshops for children. He has written over 60 books, including ''Turtle Tale'', ''Mooncake'', ''I Can Blink'' and ''Happy Birthday Moon''. In 1989 he wrote ''Here Comes the Cat!'' in collaboration with Vladimir Vagin. The book was awarded the Russian National Book Award and was considered the first Russian-American collaboration on a children's book.
