Books in the Daley's Dog Tales series

When Lucy the Dalmatian''s best friend, Petra, goes missing, she''s so upset and worried, all her spots disappear.  Without them, her strength is fading, but when an unexpected ally discovers that Petra is in danger, Lucy must try to rescue her before it''s too late.Can Lucy save her friend? Can she get her spots back? Or has she lost them both forever? A story of loss, hope and finding friendship where you''d least expect it.