Originally published in 1989 the purpose of this title was to provide information and ideas for: Staff Developers and Teacher Educators, as they consider program content to prepare teachers to teach thinking skills. Teachers, as they assess their own abilities to create classroom conditions for thinking and their readiness to implement a curriculum for developing thinking skills. Curriculum Developers, as they decide how the curriculum should be organized and sequenced according to children’s developmental levels. Administrators, as they assess and provide leadership for improving the conditions in their schools and classrooms, which allows the stimulating teaching of thinking. Although written some time ago the information is still valid today.