Van Laan, Nancy Possum come a knockin' / by Nancy Van Laan ; illustratedby George Booth. - 1st ed. - New York : Alfred A. Knopf, Inc, 1990. - unp. ISBN: 0394922069 LCCN: 8812751 Subjects--Topical Terms: Family life--Fiction.Opossums--Fiction.Stories in rhyme.