Easy and Fun Hiragana
Kiyomi Ogawa
Introducing Elixir
Simon St.Laurent & J. David Eisenberg
Economics 101
Alfred Mill
Hands-On Penetration Testing on Windows
Phil Bramwell
Art of R Programming
Norman Matloff
The Book of R
Tilman M. Davies
Data Science Tools: R, Excel, KNIME, & OpenOffice
Christopher Greco
Mastering Spark with R
Javier Luraschi & Kevin Kuo & Edgar Ruiz
R Cookbook
J.D. Long & Paul Teetor