Shepherdson - Parallel Equators - New paperback or softback - X555z

Middleton - Parallel Redux - New paperback or softback - X555z

Blanchard - Parallel Universe Bar - New paperback or softback - X555z

Lewis-Dayle - Light Of Friendship - New paperback or softback - X555z

Honig - Parallel Universes - New paperback or softback - X555z

Dayle - Parallel One - New paperback or softback - X555z

Elkins - Parallel - New paperback or softback - 27 - X555z

Cook - Parallel Lines - New paperback or softback - 76 - X555z