An activity for 'A Kiss in Every Wave'.
Crack the code
What are secret codes used for?
Do you know some?
Can you crack these?
[I'll give you a clue: these ones are kissing codes.]
Can you make up a different kind of code?
Write a story where a code is important to the story line.
Or write a story where the character finds a note in some sort of code. Does he/she crack it? Does he/she find out what is going on?
Read 'A Kiss in Every Wave' by Rosanne Hawke.