
A nonfiction book series exploring how destructive habits shape adult life and how to change them
Certified Loser
A memoir-driven self-development book.Completed manuscript. Currently seeking representation.Certified Loser is a nonfiction book examining fourteen destructive habits that quietly shape adult life. Through personal narrative, psychological introspection, and practical correction, the book explores how self-sabotage is formed, and how it can be dismantled through discipline, honesty, and sustained effort.
The Certified Series
The Certified Series is a four-book nonfiction project examining self-sabotage, discipline, and personal reconstruction across different stages of adult life. Each book can be read independently, while together they form a coherent narrative about responsibility, identity, and long-term change.
Titles in the series
Certified Loser
Certified Slave
Certified Late Bloomer
Certified Winner
Planned four-book series


About the Author
Christian Duke is a millennial author writing about self-sabotage, discipline, and personal reconstruction. Certified Loser is his debut book and the first volume in The Certified Series
Manuscript and proposal available upon request.
For representation inquiries, please contact
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