Searching For April

Eddie Limestone likes April Ash a lot, a lot a lot. After school one day Eddie, April and their friends go swimming.
7 go swimming. Only 6 are in school the next day.
Where's April?
Eddie looked through everything he had from the day they went swimming in case it held any clues.
Once every last clue has been collected Eddie goes searching.
Searching for the girl he has liked since year 4.
Searching for April