Jill and Daniel Pinkwater have collaborated on numerous popular books for children. Daniel Pinkwater is a well- known commentator on National Public Radio and hosts his own radio program, Chinwag Theater. The Pinkwaters live in the Hudson Valley of New York. Jill and Daniel Pinkwater have collaborated on numerous popular books for children. Daniel Pinkwater is a well-known commentator on National Public Radio and hosts his own radio program, Chinwag Theater. The Pinkwaters live in the Hudson Valley of New York.