Intense pins and needles
Zen Mind, Beginner's Mind: Informal Talks on Zen Meditation and Practice
by Shunryu Suzuki is a very good way to start. Read as many books as you can on all the wonderful schools of meditation.
From my experince the sensation of pins and needles has to do with poor blood circulation resulting from blockages of different parts of your meridian system. Tai Chi or Yoga can help prepare you physically and mentally for sitting meditation. You may want to consider standing or walking meditation as an alternative. i commend your spirit your practice is well on it's way. i applaud your questions you show real insight. Our teachers first question after sitting was.. Please share with us what you felt? Your question was one of the most common physical sensations shared among beginners. May i suggest that you look for a teacher.... that in it's self can be a fun journey. OVER&amp;OUT