you MUST be able to do light sewing/alterations...
ie-hem pants, buttons, etc...
know how to use a steamer and press a dress shirt perfectly...
reading and writing skills are important...you may have to keep track of the designer credit information during the shoot, or you may have to write a sample request email to various showrooms,etc...
good manners and friendly demeanor...
you have to be somewhat charming...
you MUST be extrememly organize, listen carefully, and take direction well...
a positive attitude and willingness to work hard are essential....
a vast knowlege of the market...showroom and retail, men's and women's...
because i do all of the above...
even some knowledge of the interior design world and home stores because you may be asked to find props for a shoot...
you should know the city well and be able to get around it quickly...
and you have to be smart and be able to think for yourself...
have some basic common sense ...
and be very good under pressure...
this is important...
it's a VERY good question...i'll add to this if i think of more...
i don't care about a book.. i may ask you who your favourite designers are...
that's a favourite interview question of mine...
i usually look for a recommendation from someone else...
and some experience on set is really necessary-
(so get some experience even if you have to work for free!!)