A Case of Poison(1988)
(The fourth book in the Green Street Mystery series)
A novel by Marion Dane Bauer and Dana Brenford
A chemical smell in the swamp and suspicious behavior on their neighbors' property alert twelve-year-old sibling investigators Peter, Jason, and Kim to the possibility of a threat to the environment.
Used availability for Dana Brenford's A Case of Poison
October 1988 : USA Library Binding