Musimathics: Musical Elements
D. Gareth Loy
Philosophy: 100 Essential Thinkers
Philip Stokes
PHP Web Services: APIs for the Modern Web
Lorna Jane Mitchell
Medieval Punishments: An Illustrated History of Torture
William Andrews
Scrum Mastery (Geoff Watts' Agile Mastery Series)
Geoff Watts
Structures: Or Why Things Don't Fall Down
J. E. Gordon