Lauraine Snelling & Kathleen Wright 
S.A.V.E. Squad Series Book 4: No Ordinary Owl [EPUB ebook] 

Join the S.A.V.E. Squad Sunny, Aneta, Vee, and Estheras the four sixth-grade girls, with nothing in common but their differences, come together to save injured owls. While helping the owls learn to fly and attempting to find the person who harmed the innocent creatures, will Esther and her beloved Squad accept the difficult lesson that sometimes you just have to let go?