His Brother's Bride (Heartsong Presents)

is book #548 of the Heartsong Presents line.
==Book Description==
Emily Wagner will be a mail-order bride. This arrangement will answer all of her problems best buried. But when she arrives in Cedar Bend, Kansas, she finds her world has been turned upside-down.
Cade Manning needs a mother for his son Adam. He has no intention of replacing the memory of his beloved wife Ingrid, but he knows he can't make ends meet without help. Marrying Emily just makes sense. Never mind that they'll only be husband and wife in name only. Surely, she won't be disappointed.
Can Emily trust God to work things out for the good? Will Cade be able to forgive her for her lies and love her as she has come to love him?
(Description from paperbackswap.com)