I've been on Richie's email list for years (and I've even met him), but never thought to look for a single place that holds all of his reviews. He writes some of the most complete reviews I know of, always connecting the books to other events, songs, or materials. I'm often jealous when he writes reviews for great books months before they are released.
This is a fabulous resource with practical lesson plans, valuable resources, and more. I've used several of their lessons. There's an interesting story behind how they "earned" the money to remain free.
Elaine Plybon's livebinder on social media use in the classroom. This includes sites that simulate social media tools. I attended a webinar she presented on 4-14-12
Bernie Dodge was one of the first originators of webquests. While webquest.org is no longer updated, there are some features of QuestGarden that you can access for free. Subscriptions are $20 for two years.