- One of Usborne"s most enduring and well-known series has been given an exciting new look. Each guide has been completely updated and has a striking new cover. These guides are perfect companions for enthusiasts, who are keen to discover the many fascinating aspects of the natural world. They offer full-colour illustrations of around 100-200 different species per title, which have been reproduced from the original artwork using the latest technology. They are an ideal field guides for both children and adults and incredible value for money.