Seals of the world /
by Gavin Maxwell, with John Stidworthy and David Williams
- London : Constable, 1967
- xii, 151 pages : illustrations ; 25 cm
- World Wildlife Series; .
Includes appendixes and an index
Seals (Pinipedia) are marine mammals. Worldwide, there are 34 species of seal that are divided into three families by their characteristics.