00877cam a2200229 4500 440312192 TxAuBib 20190607120000.0 930423s1994||||||||||||||||||||||||eng|u 93013705 /AC 9780590466882 $14.95 0590466887 $14.95 DLC DLC TxAuBib Klass, David. California Blue / David Klass. New York : Scholastic, 1994. p. cm. When seventeen-year-old John Rodgers discovers a new sub-species of butterfly which may necessitate closing the mill where his dying father works, they find themselves on opposite sides of the environmental conflict. 20190607. Butterflies Fiction. Environmental protection Fiction.