I highly suggest this book!

SOCKS A LA CARTE by Jonelle Raffino, Katherine Cade, and the SWTC Staff
Socks a La Carte: Pick And Choose Patterns To Knit Socks Your Way

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This book was a great find at Border's closing sale. Pick & Choose Sock Patterns to Knit Socks Your Way! There are thousands of possibilities of patterns with fun split pages to mix and match parts of socks to design your own pattern. I can't wait to get started on a pattern! FUN!