More from this Author
Found 6 books by Hy Ruchlis

Clear Thinking
by Hy Ruchlis, Sandra Oddo, Isaac Asimov (Foreword by)

How Do You Know It's True?
by Hy Ruchlis

Mister Wizard's Four Hundred Experiments in Science
by Don Herbert, Hy Ruchlis

Math Projects
by Fred Bassetti, Hy Ruchlis, Alice Hirsh (Illustrator)

Math Projects
by Hy Ruchlis, Harry Milgrom, Laazlo Roth (Illustrator)

Mirrors
by Hy Ruchlis