At least four, apparently. (See bottom photo of red sweaters drying in the sun.)

Here's the latest, Three Sisters from Cheryl Oberle's new book Knitted Jackets: It's a splendid knit, perfect for conversation, comes off the needles with no seaming. Plus it's gorgeous.

Also, in spite of the color, it has its politics straight.

Three Sisters (on top), (below) a cute Debbie Bliss, Must Have Cardi and Audrey.