In the book series "Odd Thomas", Danny Jessup has what genetic disease?

In the book series "Odd Thomas," Danny Jessup is depicted as having the genetic disease Osteogenesis Imperfecta. This condition is characterized by weak and brittle bones, which are prone to fractures without any apparent cause. The choice of this disease for Danny's character adds depth and vulnerability to his persona, emphasizing the challenges he must face due to his physical condition and how it influences his daily life and interactions with others.