E. Burroughs

When they were fourteen years old, Dick and Doc were attending an excellent English school where there were a great many future dukes and earls and arch-bishops and lord mayors, who, when they saw how much Dick and Doc resembled one another, called them "The Twins." Later, when they learned that Dick's father was distantly related to Lord Greyst...

- NOVELA AVENTURAS 324pg.19cm.cartone,l.tela

Ed. Juventud. Barcelona 1936. Cartone. 18x12. 253 pp. Firma del anterior propietario.

Traducción Antonio Guardiola Col. Universal, nº 38 Novela Novel Roman

Ed. Juventud. Barcelona 1950. Rustica. 17x13. 176 pp.

Ed. Tor. Buenos Aires 1947. Rustica. 18x12. 191 pp. Traduccion por Nelly Coarasa.

Ed. Jose Janes. Barcelona 1953. Primera Edicion. Telan editorial. 19x13. 300 pp.