The British Museum A-Z Companion provides an entertaining and informative introduction to the objects in the collections of the British Museum, from Achaemenid silver to Ziwiye treasure, Alexander the Great to Jean-Antoine Watteau, through Greek vases, Japanese pottery, Nebuchadnezzar, Quezalcoatl, and the Seven Wonders of the Ancient World.

This companion includes more than three hundred entries, with each chosen object or theme fully described and illustrated in colour; most entries also include suggestions for further reading on the subject. The British Museum A-Z Companion is also comprehensively indexed and cross-referenced, making it a useful research tool for all those interested in what has often been called "the world's greatest museum of mankind's history".