Generally i read article or Ebooks but ther is one book whic make me desparate to purchase it "Sql server 2008 internals" by kalen daleney. i have tried many book online store to purchase LPE edition but every where it was with "sold out" tag. then finaly i went to a market (books hub) from where i bought it . i always carry it while travel to office and spend some time on it.i also have ebook in my smart phone but ..i prefer my hand book