That's a tough one. No clue who the publisher or designer was?
While you wait to see if someone else can help, why not go to knitpicks, amazon, other book sellers and scroll thru the knitting books to see if you can find it that way.
or maybe if you can describe what you've done so far on the blanket you started, someone will recognize the pattern.
Mirl56 at Ravelry, too.
Learn from the mistakes of others. You canít live long enough to make them all yourself. Eleanor Roosevelt
Lady Feb Sweater
more shawlettes, socks