Knitting a playground is certainly an ambitious project. If you need something a little less gargantuan, look for one of these knitting books in our collection:
Remember, the holidays are coming, so, if you're going to knit, you'd better get a move on!
Anderson, Susan B. Topsy-Turvy Inside-Out Knit Toys. [746.432 AND]
Curtis, Alice. Knit Your Socks on Straight a New and Inventive Technique with Just Two Needles. [3M ebook]
Durant, Judith. 101 Designer One-Skein Wonders a World of Possibilities Inspired by Just One Skein. [3M ebook]
Epstein. Nicky. Knitting in Circles: 100 Circular Patterns for Sweaters, Bags, Hats, Afghans, and More. [746.432 EPS]
Leapman, Melissa. Stashbuster Knits: Tips, Tricks, and 21 Beautiful Projects for Using Your Favorite Leftover Yarn. [746.432 LEA]
In case you think that knitting is just something little old ladies do, here's a blog post from Madman Knitting to prove otherwise!