Data to store...

Document
--------

stock number (unique key,index)
doc title (index)
doc type (foreign key?)
shelf location (index)
overflow location
last revised
last reprinted
number in stock
reprint threshold
bundle size
notes


Document Types
--------------
Booklist 
Service Brochure
External

Transaction
-----------
transaction number (unique key)
transaction type (foreign key?)
requested by
stock number (foreign key)
date/time requested
quantity requested
authorised by
authorisation time/date
date/time filled
quantity filled
filled by
notes

Transaction Types
-----------------
reorder
reprint
recount
throw out