If anyone finds any of these used or new but on sale please let me know.

These are Iowa-California Editions of the Works of Mark Twain.

Roughing It.
The Adventures of Tom Sawyer., Tom Sawyer Abroad and Tom Sawyer Detective.
Prince and the Pauper.
Adventures of Huckleberry Finn.
A Connecticut Yankee in King Arthurs Court.

Also by University of California Press as part of the Mark Twain Papers

Which was  the Dream?.
Mark Twain's Satires & Burlesques.
Mark Twain's Hannibal, Huck and Tom.
Mark Twain's Mysterious Stranger Manuscripts.
Fables of Man.
Mark Twain's Notebooks & Journals Vols. 1-3
Mark Twain's Letters Vol. 3
Getting To Be Mark Twain.

Also by University of California Press part of the Mark Twain Library

Tom Sawyer Abroad & Tom Sawyer Detective.
No. 44, The Mysterious Stranger.
A Connecticut Yankee in King Arthurs Court.
Prince and the Pauper.
Adv. of Huckleberry Finn.

Chris