The Albian (Lower Cretaceous) Gault Clay of south-east England and north-east France covers only a small area, but contains a wide variety of well-preserved vertebrate and invertebrate fossil remains. The coastal exposures at Folkestone, Kent, and at Wissant, in the Pas de Calais, are particularly well known to collectors, and this field-guide, written by a variety of experts in the field, is the most comprehensive illustrated account of the Gault fauna yet to have been published.