If you have a book and you want to transcribe some parts of a computer, you can also avoid tire yourself. In fact there are programs that you avoid this work. Simply scan the page and a program will recognize the characters and turn them into text. The latter can easily paste it on Word or Notepad.
They are called OCR, or optical character recognition, and works with the printed books. But beware: not recognize italics, and commits many errors even on texts written in capital letters. So you should not use it for your handwritten texts.
Here are some online services or programs that allow you to easily perform this work. There are some free, good enough, and some for very good:
A good OCR that also allows you to select certain areas of the scanned document. The recognition capability of the program is good.
http://www.i2ocr.com/ online service very simple but functional. Allows you to choose multiple languages, including Italian. Ability to upload unlimited photos for free. Fast enough.
http://www.simpleocr.com/Download.asp more lightweight program that allows, in addition to the usual functions to activate an automatic correction with suggestions from dictionary, to correct any errors in translation.