Sleator, William.

Singularity / William Sleator. - 1st ed. - New York : E.P. Dutton, c1985. - 170 p. ; 22 cm.

Sixteen-year-old twins Harry and Barry stumble across a gateway to another universe, where a distortion in time and space causes a dramatic change in their competitive relationship.

ISBN: 0525441611

LCCN: 84026075 /AC

Subjects--Topical Terms:
Twins--Fiction.
Science fiction.

LC Class. No.: PZ7.S6313 / Si 1985

Dewey Class. No.: [Fic]