THE JAPANESE TWINS. _Grade IV._
THE SWISS TWINS. _Grade IV._
THE IRISH TWINS. _Grade V._
THE ITALIAN TWINS. _Grades V and VI._
THE SCOTCH TWINS. _Grades V and VI._
THE MEXICAN TWINS. _Grade VI._
THE BELGIAN TWINS. _Grade VI._
THE FRENCH TWINS. _Grade VII._


_Historical Series_

THE CAVE TWINS. _Grade IV._
THE SPARTAN TWINS. _Grades V-VI._
THE PURITAN TWINS. _Grades VI-VII._

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_Each volume is illustrated by the author_

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HOUGHTON MIFFLIN COMPANY


The Riverside Press

CAMBRIDGE MASSACHUSETTS

PRINTED IN THE U.S.A.