Check this out

Bring on the e-book era. The Evangelical Library of London is offering titles from the Puritan era in pdf format for a subscription of about $50 a year. This looks like it may be a worthwhile investment for those who love the great writers of old. Selections already included the classic work by James Buchanan on Justification and The Christian's Complete Armor by William Gurnall. The texts will be fully searchable!