2015.04.02~2015.04.16
參考連結
http://blog.humblebundle.com/post/115866653657/humble-sci-fi-book-bundle-2-presented-by-wordfire
http://blog.humblebundle.com/post/115224184722/kevin-j-anderson-headlines-humble-sci-fi-book
http://us7.campaign-archive2.com/?u=a42731fd3353ff4c76f7f11bb&id=6edaee0a1c
http://us7.campaign-archive1.com/?u=a42731fd3353ff4c76f7f11bb&id=4d16aa6355