Oxford Project X: Flight - Level 5 contains 1 set of guided reading test and 5 reading books, 1 of each of:  Charlie Smith Superkid, Flying High, Making Things That Fly, In a Spin, On the Wing.
 
Project X Origins is a guided reading program with amazing shrinking characters to capture the imagination of modern children. 
 
The Project X Origins series:
has unique thematic clusters that link fiction and non-fiction and encourage wider reading. 
thematic packs provide children with key words in different contexts to build confidence 
has action-packed stories, fascinating non-fiction and captivating continuous character adventures that engage children from age 4 onwards
contains comprehensive guided reading notes for every book covering phonics skills, comprehension, vocabulary, fluency, spelling, grammar, punctuation and writing
is a fantastic springboard for talk, drama, role-play and writing.