Experiments in Four Dimensions Hardcover David L. Heiserman

Radio Astronomy for the Amateur by David L. Heiserman (1975, TP) NF-

Logic IC Master Reference Hardcover David L. Heiserman

Programming in Basic for Personal Computers by David L. Heiserman Paperback

Build Your Own Working Robot by David L. Heiserman (1976, Hardcover)

Exploring Chemical Elements and Their Compounds by David L. Heiserman

Build Your Own Working Robot by David L. Heiserman (1976, Hardcover)