Amateur and more seasoned tree-spotters will welcome this latest addition to the What’s that? series. Accessible and straightforward, this book groups trees together into their broad families, based on the features that related species share. This allows readers to narrow down their choices to a few likely possibilities before tackling the detail of species identification. The book offers: simple, authoritative text; side-bars with interesting additional information; multiple full-colour photographs, including of key diagnostic features and an illustrated glossary of plant parts. This helpful introduction should provide an invaluable entry point for anyone with an interest in the trees of the region.