Wilding-White, Theodore Mather. All about UFO's / [electronic resource] / [written by Ted Wilding-White ; alien astronauts section written by Kenneth Gatland]. — London : : Usborne,, 1977.. — 32 p. : : (chiefly) ill. (chiefly col.), 3 maps (chiefly col.), 1 form ; 28 cm. - The world of the unknown.