Is a teenager size 38 inch acoustic guitar good for beginners?

I'm 13 years old and a beginner and I was wondering that if a 38 inch acoustic guitar is good for me. And if so should I buy this guitar http://cgi.ebay.com/NEW-BLACK-Acoustic-Guitar-GIGBAG-STRAP-TUNER-LESSON-/250789026157?pt=Guitar&hash=item3a6430d96d#ht_2684wt_964