Ripley's Twists bring a fun, engaging and uniquely Ripley's approach to a whole range of topics, from the human body to space. Each title blends stunning full-colour photographs and illustrations with clear explanations and extraordinary facts that are guaranteed to inform and to entertain.

In Mighty Machines you will find:

- Key information - everything from how much a monster truck wheel costs to how the drivers stay safe

- Intriguing bite-size facts - a monster truck can jump a distance of 40 metres

- Real-life stories - like Bigfoot, whose giant tires were originally made in the 1950s for the US Army to use on an Arctic snow train in Alaska

- 'Big word alert' glossaries - clear and straightforward explanations of difficult words

- Stunning photographs and detailed diagrams

- A full-colour pull-out poster.