Lafuente Estefanía's contributions to Western literature are significant:
: After the Spanish Civil War, Estefanía was imprisoned and nearly executed. During this time, he began writing to support his family, often using his wife's name, María Luisa Beorlegui, for early romances. Firsthand Knowledge often using his wife's name
: While many older pulp novels are in a legal gray area, the Estefanía estate still manages the brand. Official digital re-releases are sometimes available through major e-book retailers. María Luisa Beorlegui
Thousands of titles including classics like El mejor revólver de Texas , Sangre del Sur , and Black, Caballo Salvaje . Sangre del Sur