Originally published in 1976, this fourth and final volume in a series that met with critical acclaim is concerned with a certain kind of answer to the question

Logical Abilities in Children (4 Volume set), was originally published between 1974 and 1976 to critical acclaim. Now available again as individual titles or a

Originally published in 1975, this volume (3 of 4) presents an expanded model of certain deductive abilities in children and adults. A partial explanation of th

Originally published in 1974, a wide and interesting set of intellectual abilities in children are examined here. Volume 1 of 4 (Organization of Length and Clas

Our Thinking Skills Workbooks strengthen critical thinking skills that are crucial for your childs success in school and in life. With our effective step-by-ste