Large, small, old-time, modern, ordinary, world-changing. The bridge. An ingenious invention that shortens journeys, saves on effort and provides great views. Some straddle a deep valley, some a raging river, some a busy road, some a vast stretch of sea. People have been building bridges since a tree first fell across a river.

• Why do we need bridges?
• How have they changed through history?
• Which are the most famous?
• Which are the strangest?
• How is a bridge built?
• We’ll answer these questions and many more. Everything you need to know about bridges in one book!