Shopaholic & Sister by Kinsella Sophie

Rebecca Bloomwood is now happily married to Luke Brandon, and all her problems seem to be at an end. But suddenly into her life steps...a sister, of whose existence Becky had hitherto been completely unaware. Becky is only too anxious to welcome her into the bosom of the family. But there is only one snag - she HATES shopping. She is the antithesis of the shopaholic. It all makes for some very difficult family relationships...