High Tech Start Up by John L. Nesheim Author's webpage
Overall a great book and chapter 8 "Personal Rewards and Costs" can be particularly helpful.
Reality Check, The Irreverent Guide to Outsmarting, Outmanaging, and Outmarketing your Competition by Guy Kawasaki Author's webpage
This book quickly gets to the point and it's topical chapters allows you to quickly find candid advice.
New Venture Creation by Jeffry A. Timmons
This book blends academic and practical information in a good way. If you are for the first time thinking of becoming an entrepreneur, chapter 2 "The Entrepreneurial Mind" is a great place to start. References the 8th edition.