052 The Shattered Helmet
Franklin W. Dixon
The Hardy Boys Mystery Stories (52)
The Currents of Space
Isaac Asimov
072 The Voodoo Plot
The Hardy Boys Mystery Stories (72)
Write Great Code, Volume 2: Thinking Low-Level, Writing High-Level
Randall Hyde
The Human Planet: How We Created the Anthropocene
Simon Lewis & Mark A. Maslin