. . . "Junior science book of seashells" . . . "Seashells" . . . "Describes the life cycle of the knobbed whelk, identifies different types of shells and their usefulness to man, and gives suggestions for building a shell collection."@en . "Describes the life cycle of the knobbed whelk, identifies different types of shells and their usefulness to man, and gives suggestions for building a shell collection." . . . . . . "Junior science book of seashells"@en . "Junior science book of seashells" . . . "Juvenile works"@en . "Juvenile works" . . . "Describes the life cycle of the knobbed whelk, identifies different types of shells and their usefulness to man, and gives suggestions for building a shell collection" .