Edgar Rice Burroughs Science Fiction Classics (Barsoom #4-6)

1 Pellucidar – David Innes narrates return under Earth for Dian
2 Thuvia-Maid of Mars – Carthoris chases kidnapper Astok of Dusar
3 Tanar of Pellucidar – Tanar falls for Korsar captor Stellara
4 The Chessman of Mars – Helium Princess Tara caught by headless
5 The Master Mind of Mars – Ulysses Paxton narrates apprentice to brain transfer expert Ras Thavas
Illustrated B&W.