Mathematics and science

• Cálculo (edición adaptada a UNED) – Smith,Robert T
• Birding and nature trails in Sierra Morena, Andalusia – Rafael Moreno Porrino
• Birding and nature trails in Sierra Morena Andalusia – Rafel Romero Porrino
• Classical Mechanics – George Leonard/Hrabovsky Susskind
• Pure Mathematics for Beginners – Steve Warner
• European Breeding Bird Atlas 2 – Verena Keller
• Build a Giant 3D – Igloobooks
• Michael Muller. Sharks – Arty Nelson
• Birding and Nature Trails in Sierra Morena. Andalusia – Rafael Romero Porrino
• Seabirds – Peter Harrison
• La carta de colores de Haenke de la Expedición Malaspina – David J. Mabberley
• A collection of Analytical Chemistry solved and explained exercices – José María Fernández Álvarez
• Birding and nature trails in Sierra Morena, Andalusia – Rafael Romero Porrino
• Coastal fish of the Balearic Islands – Enric Ballesteros Sagarra
• Open-sea and deep-water fish of the Balearic Islands – Enric Ballesteros Sagarra
• Darwin – John Van Wyhe