One of the most successful angel investors in the world, Jason Calacanis, has just released a new book (and audiobook), entitled Angel, in which he provides a step by step guide on investing in early startups. Calacanis has reportedly made over $100,000,000 from $100,000 in investments. He also runs the Launch/Scale conference for founders of early stage startups.
His angel investments have included Uber, Tumblr (acquired by Yahoo), Gowalla (Acquired by Facebook), Thumbtack, GDGT (Acquired by AOL) and Cafe X. You can review over 90 of his angel investments at https://angel.co/jason.
We have not read the book yet but intend on reading and reviewing it here in the coming month.