If it's the tomato one, yes, ferts aimed at tomatoes are higher in nitrates, which is what you're after.

Not just e-books on here, online grow guides too.....

http://www.overgrow.com/growfaq/

http://www.natureshigh.com/growGuide.htm

http://www.mellowgold.com/grow/

http://1stmarijuanagrowerspage.com/melfrankgrowg.html

http://www.simplyhydro.com/index.html

To cut and paste but a few, there's loads. Have fun.