Another Infinity

A "Fault In Our Stars" Fanfiction!
A few weeks after Augustus Waters dies, a new boy joins the support group. Tumors cover his brain, and the one thing he lived for is his mom's friend's daughter, who he loves like the little sister he lost too soon.
Hazel and Isaac feel as though Augustus would want them to help him, and give him more to live for. But is there enough time for perhaps another infinity?