[en] Ingenious Patents · Bubble Wrap, Barbed Wire, Bionic Eyes, and Other Pioneering Inventions Black Dog & Leventhal
[es] [Etiqueta Negra 51] • Saluda al asesino Ediciones Júcar
[en] Bennett - Murder Money Crest Book s524
[es] Muerte en La Habitación Silenciosa Editorial Molino
[en] Murder Money Crest Book s524
[en] [Toni Day Mystery 02] • Too Much Blood iUniverse