Alfred Kropp: The Thirteenth Skull is a young adult

Young adult literature

Young-adult fiction or young adult literature , also juvenile fiction, is fiction written for, published for, or marketed to adolescents and young adults, roughly ages 14 to 21. The Young Adult Library Services of the American Library Association defines a young adult as "someone between the...

 fantasy thriller by Rick Yancey

Rick Yancey

Rick Yancey is an American novelist, formerly an Internal Revenue Service tax collector.-Biography:His Alfred Kropp series begins with The Extraordinary Adventures of Alfred Kropp, which was named a Best Book for Children by Publishers Weekly and was a finalist for the Carnegie Medal for 2005.. ...

. In this novel Alfred starts realizing many things about his life and why he does things and he no longer is the bumbling overweight Alfred Kropp we meet in the first book but is becoming a grown man.

Characters

Alfred Kropp - Large teenage hero of the Alfred Kropp series

Samuel St. John - The former Operative Nine who swore to protect Alfred and be his legal guardian

Ashley - An old field agent who came back to OIPEP to be Alfred's Extraction Coordinator. Alfred's love interest.

Nueve - The new Operative Nine, as assigned by the board of OIPEP. He is described as Hispanic and 'suave'.

Abby Smith- The director of OIPEP

Jourdian Garmot- The son of Mogart who wants revenge for his father's death, and thus goes after Alfred

Vosch - Henchman of Jourdian Garmot who is extremely vicious. He cuts off Samuel's fingers while torturing him