Publication of train schedule (10)
I believe the answer is:
schoolbook
'publication' is the definition.
(I know that schoolbook is a type of book)
'train schedule' is the wordplay.
'train' becomes 'school' (both can mean to teach or coach).
'schedule' becomes 'book' (booking is a kind of scheduling).
'school'+'book'='SCHOOLBOOK'
'of' is the link.
(Other definitions for schoolbook that I've seen before include "Teaching aid" , "Text" .)