Are mermaids even real?!

human beings never believe in mermaids but one named Olivia do believe in mermaids and she knows that they exist so she went on an adventure and while she was walking she found a map leading to a secret world!!
read the book to find out more!
BTW i'm not trying to copy AdorableBunnyLover

she is my friend in middle school, so please don't write any bad things to me.
I HOPE YOU ENJOY!! :)