front-of-the-book or back-of-the-book departmentsthese two positions ,(associate editor、assistant editor),while separate on the masthead,often have similar duties,which include writing,editing or assigning material for front-of-the-book or back-of-

front-of-the-book or back-of-the-book departmentsthese two positions ,(associate editor、assistant editor),while separate on the masthead,often have similar duties,which include writing,editing or assigning material for front-of-the-book or back-of-
front-of-the-book or back-of-the-book departments
these two positions ,(associate editor、assistant editor),while separate on the masthead,often have similar duties,which include writing,editing or assigning material for front-of-the-book or back-of-the-book departments and writing titles and subtitles.
上述句子中
front-of-the-book or back-of-the-book departments

front-of-the-book or back-of-the-book departmentsthese two positions ,(associate editor、assistant editor),while separate on the masthead,often have similar duties,which include writing,editing or assigning material for front-of-the-book or back-of-
front of the book,一般简写 FoB,back of the book,BoB
这两个词组多数用在杂志社
说的就是杂志的前部分（如目录,封面等）和后部分（如后记,）
加上department就是说负责这些的部门
因为只是助理,还没能理杂志里重要的部分
给你两个有关的网址,