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 Ages 14 to 18 Grades 9 to 12 Light of Day by (author) Allison van Diepen Ages 14 to 18 Grades 9 to 12 On the Edge by (author) Allison van Diepen Ages 14 to 18 Grades 9 to 12 Snitch by (author) Allison van Diepen Ages 14 to 18 Grades 9 to 12 Street Pharm by (author) Allison van Diepen Ages 14 to 18 Grades 8 to 12 Takedown by (author) Allison van Diepen Ages 14 to 18 Grades 9 Raven by (author) Allison van Diepen Ages 14 to 18 Grades 9 to 12 The Vampire Stalker by (author) Allison van Diepen Ages 12 to 18 Grades 7 to 12 The Oracle Rebounds by (author) Allison van Diepen Ages 8 to 12 Grades 3 to 7