This sweater has two options. Both of them are included in Design #6 in Cleckheaton Book 951. The Cocoon version with a crochet edge also appears as Design #27 in Knit Simple Magazine Fall 2007.

From the pattern: KNIT TIP: If you’ve been loathe to set in sleeves for an adult sweater, practice on this mini version to get the hang of the construction.

Measurements:
Chest-- 15.75 (18.5, 20.5, 23.5)”/40 (47, 52, 60)cm
Length-- 8.5 (9, 10.5, 11.5)”/21.5 (23, 26.5, 29)cm
Upper arm-- 6.75 (7, 7.5, 7.75)”/17 (18, 19, 19.5)cm

Yarn Requirements: Chose ONE
Cocoon (50gm): 2 (2, 3, 3) balls
OR
Merino Bambino (25gm): 3 (4, 5, 6) balls

Also required:
1 flat button
wool needle for sewing seams

This pattern is also available as a free download at DBNY.