Here's where you can find the On Intelligence e-book...
$15.20 at the Sony Connect store (search for "on intelligence").
$19 ($17.10 newsletter price with coupon code) at
eReader
$19(16.15 member price) at
Fictionwise
$15.20 at
Powells.com
$17.52 plus 61 cents store credit at
Diesel Books
Couldn't find it at ebooks.com or mobipocket.com.
Btw, I don't seem to be able to look at Connect books at ebook.connect.com anymore with a web browser. Only seems to show me the site with the desktop software. Hope that's just a coincidence.
Update: Yep... spelling error. Thanks NatCh!