About Allison van Diepen Allison van Diepen is the author of Street Pharm, Snitch, Raven, and Takedown. She teaches at an alternative high school in Ottawa, Canada. Visit her at AllisonvanDiepen.com. Books by Allison van Diepen Run the Risk by (author) Allison van Diepen Light of Day by (author) Allison van Diepen On the Edge by (author) Allison van Diepen Snitch by (author) Allison van Diepen Takedown by (author) Allison van Diepen Street Pharm by (author) Allison van Diepen Raven by (author) Allison van Diepen The Vampire Stalker by (author) Allison van Diepen The Oracle Rebounds by (author) Allison van Diepen