This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
The first book on child dentistry was published by 
Select and explain. 
A. G W Wright, B. Joseph Hurlock, C. Granuldy, D. Robert Buna
B: Joseph Hurlock
Answer: B: Joseph Hurlock 
Explanation: None