Complete Barsoom Series. Includes the titles:

A Princess of Mars: Grosset & Dunlap, 1917, early reprint, original jacket

The Gods of Mars: Grosset & Dunlap, 1918, early reprint, original jacket

The Warlord of Mars: Methuen, 1951, reprint, original jacket

Thuvia, Maid of Mars: Grosset & Dunlap, 1920, early reprint, original jacket

The Chessmen of Mars: Grosset & Dunlap, 1922, early reprint, facsimile jacket

The Master Mind of Mars: Grosset & Dunlap, 1928, early reprint, original jacket

A Fighting Man of Mars: Grosset & Dunlap, 1931, early reprint, original jacket

Swords of Mars: Grosset & Dunlap, 1938, early reprint, facsimile jacket

Synthetic Men of Mars: Burroughs, 1940, early reprint, original jacket

Llana of Gathol: Burroughs, 1948, first edition, facsimile jacket

Cover, hinges and bindings are in tact. Overall clean pages. Wear to covers, as shown. Scattered foxing, stains, and previous owner names. Original jackets are worn. The Gods of Mars has a torn and taped frontispiece, as shown. It also has pen mark to the title on the spine, as shown. 

The dust jackets are protected in new, removable mylar covers for collecting.