Author

Robert Friedhoffer

18 books found

Cover of Old Magic Meets Today's Science

Old Magic Meets Today's Science

Robert Friedhoffer · First published 1999

Cover of Science lab in a supermarket

Science lab in a supermarket

Robert Friedhoffer · First published 1998

Cover of Science Lab in a Supermarket

Science Lab in a Supermarket

Friedhoffer, Bob, Friedhoffer, Robert · First published 1998

Cover of Physics lab in the home

Physics lab in the home

Robert Friedhoffer · First published 1997

Cover of Magic and perception

Magic and perception

Robert Friedhoffer · First published 1996

Cover of Physics lab in a hardware store

Physics lab in a hardware store

Robert Friedhoffer · First published 1996

Cover of Physics lab in a housewares store

Physics lab in a housewares store

Robert Friedhoffer · First published 1996

Cover of How to haunt a house for Halloween

How to haunt a house for Halloween

Robert Friedhoffer · First published 1988 · Latest edition 1995

Cover of Toying around with science

Toying around with science

Robert Friedhoffer · First published 1995

Cover of The magic show

The magic show

Robert Friedhoffer · First published 1994

Cover of Forces, motion, and energy

Forces, motion, and energy

Robert Friedhoffer · First published 1992

Cover of Light

Light

Robert Friedhoffer · First published 1992

Cover of Magnetism and electricity

Magnetism and electricity

Robert Friedhoffer · First published 1992

Cover of Matter and energy

Matter and energy

Robert Friedhoffer · First published 1992

Cover of Molecules and heat

Molecules and heat

Robert Friedhoffer · First published 1992

Cover of Sound

Sound

Robert Friedhoffer · First published 1992

Cover of Magic tricks, science facts

Magic tricks, science facts

Robert Friedhoffer · First published 1990

Cover of More magic tricks, science facts

More magic tricks, science facts

Robert Friedhoffer · First published 1990