Wild West Bodyguards

This book is part of the Wild West Bodyguard series by Carla Cassidy.  I think it may be end of the series because the mystery that was only particially resolved in the previous book.  Meredith West is the only girl of six siblings.  She's never felt like a "real woman" because she has only 3 pairs of shoes and wears jeans and flannel shirts all the time.  She had a previous relation