Puritan Library has the complete works of around 45 of your favorite puritans, all online, most in multiple formats (pdf, epub, mobi) all for free. They even have some of the more obscure works that are harder to find, like John Owen's commentary on the book of Hebrews (4 vols!!).
The Puritans have so much to offer us in their piety, theological acumen, and pastoral examples. These books, if read, will most definitely help you along your journey.