Band of Hearts is an more advanced crochet afghan pattern featuring hearts worked using block stitches and surface crochet.

Book: Beautiful Blankets, Afghans and Throws (UK crochet terms)
Book: 40 Colorful Afghans to Crochet (US crochet terms)

The pattern is on page 12 of the book.

Errata
Beautiful Blankets, Afghans and Throws, pg 12.

Row 10: Join colour D in 3rd ch of beg ch4 of row 9, ch1 and dc in same place, working behind row 9 and into row 8: CL in next st, tr in next st, dc in ch1sp on row 9, tr in next st, CL in next st; rep from to last st, dc in last st of row 9. End colour D. Do not turn.

Row 11: Join colour D in first dc of last row, beg CL in first st, CL in each tr and CL to end skipping all dc stitches. End colour D. Turn.

Errata
40 Colorful Afghans to Crochet, pg 12.

Row 10: Join color D in 3rd ch of beg ch4 of row 9, ch1 and sc in same place, working behind row 9 and into row 8: CL in next st, dc in next st, sc in ch1sp on row 9, dc in next st, CL in next st; rep from to last st, sc in last st of row 9. End color D. Do not turn.

Row 11: Join color D in first sc of last row, beg CL in first st, CL in each dc and CL to end skipping all sc stitches. End color D. Turn.