Melanie Joyce 
Alien Exchange [PDF ebook] 

Nicky and Tom are taking care of an unexpected exchange student… but where is he from and what does he want? Each title in Full Flight Adventure is only 32 pages, and the text is broken down into bite-sized chunks to make it manageable for struggling and reluctant readers. The target reading age is 7.5-8 and the interest age is 8-14. Readers will find an array of adventurous stories to catch their interest, including hypnotic plants, living robots, white water rafting, the Wild West, lurking monsters, space travel and aliens on earth.