Independently published · Routledge
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| How I made $100,000 with Uber and Lyft: The 5 star Driver Guide | 978-1-7288-4810-5 (1-7288-4810-5) | 2018 |
| The Psychology of Humor at Work | 978-1-138-94494-7 (1-138-94494-7) | 2016 |
C.R. · Christopher Beck Robert Lopez · Christopher Hurt Robert A. Heinlein · Christopher R. · Christopher Robert Baxter · Christopher Robert Reed · Christopher Robert Wellin · Robert Christopher