Andrew Taylor 
King & the Troublesome Sea 

Queen Phyliss wants something and no matter how hard he tries, her husband King Oscar, can’t make it happen!Then one day, something happens to change all that — a huge shell containing a note is found, then a strange looking boat arrives and the adventure begins… Join in the incredible whirlwind of a journey as everyone gets involved to try to give Queen Phyliss what she wants — to see the bottom of the sea..