The Big Muskie by Thomas Kingsley Troupe
Wes has never been fishing. He doesn't even like eating fish! So when his best friend, Josh, invites him on a fishing trip to his family's cabin, Wes isn't too excited. But then Josh's dad tells a story about catching a gigantic muskie. Soon Wes is hooked. He starts to enjoy fishing--and even eating fish. But he can't stop thinking about what it would be like to hook a big muskie. Will his curiosity lead to a big catch?-Goodreads