Whoever cheers up Duchess June wins a prize. Join Luke, a rat and a goat as they try to amuse the Duchess and win the prize 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 - Luke and the Mule is a Phase 5 book.It introduces some new graphemes for reading: ay, ou, ie, ea, oy, aw, wh, a_e, e_e, i_e, o_e, u_e (flute, cube), and the common exception words oh, asked.