School Library. Primary Series. Vol. XII. Rollo’s Philosophy. Part II. Air.

Published by Thomas H. Webb & Co. Boston, date unknown.

Hardcover, black quarter binding with cloth boards. Condition: fair. Edge wear and cracking on spine. Foxing on pages. No dust jacket. 192 pages.

The Rollo Philosophy. Part III. Fire.

Published by Hogan and Thompson. Philadelphia, 1845.

Hardcover. Red quarter binding with marbled boards. Condition: fair. Edge wear and cracking on spine. Foxing on pages. No dust jacket. 192 pages.

Both books are being auctioned off together- though they are from two different publishers and were not originially together in a set.