Anne Glennie 
Reading Planet — The Hidden Lagoon — Blue: Rocket Phonics 

Rocket Phonics reading books are fully decodable phonics books allowing children to practise their phonic skills in context, developing emerging reading skills. Philip and Emily are staying by the seaside with their grandparents. When Grandpa Joe takes them out on a boat trip, they discover a beautiful blue lagoon perfect for paddling in. Reading age: 5-6 years