Covers: Open Library
- Force & Motion (DK Eyewitness Books)Peter Lafferty, Steve Parker et al.
- Cómo Están Hechas Las CosasPeter Lafferty
- The Big Book of How Things Work (The Big Book of ...)Peter Lafferty
- Matter (DK Eyewitness Books)Chris Cooper, Peter Lafferty
- How things workSteve Parker, Peter Lafferty et al.
- Medicine (Pioneers in Science)Peter Lafferty
- The dictionary of sciencePeter Lafferty, Julian Rowe
- WeatherPeter Lafferty
- What's inside everyday things?Peter Lafferty
- Matter and energyPeter Lafferty
- The Hutchinson Dictionary of SciencePeter Lafferty
- CommunicationsPeter Lafferty
- Questions & Answers on Personal Computing (Questions & Answers)Peter Lafferty
- Wind to Flight (Hands on Science)Peter Lafferty
- How things are madePeter Lafferty
- Burning and Melting (Hands on Science)Peter Lafferty
- Albert Einstein (Pioneers of Science)Peter Lafferty
- ArchimedesPeter Lafferty
- SpacePeter Lafferty
- Forces and motionPeter Lafferty
