There are lots of caves around the world that we can explore. Learn about these amazing places in this high-level phonics book.Part of Reading Stars Phonics - our structured programme of fully decodable phonics readers to support the teaching of phonics using the UK Government's Letters and Sounds programme - Caves is a Phase 5 book.It introduces some new graphemes for reading: ay, ou, ea, oy, ue (cue), wh, a_e, e_e, i_e, o_e, and the common exception words their, people.