Books in the Creeke series

The youngest member of the Harrison family, Derik, is missing following a terrible house fire. His siblings - Matthias, Deidrick, Allison, and their cousin Derek - are desperate to find him, but they will need to help themselves and their family before they can help Derik. Matthias is fighting his past temptations and actions, Deidrick has commitment issues, Allison cannot get along with her mother, Derek is on the verge of an identity crisis, and the elders of the family are in disarray. Will the Harrisons stand strong against their trials and find Derik or will they crumble under pressure?