After having read two shortish books, more booklets, I am about to embark on a long reading journey. I need your help in deciding which book to read next? Somewhere Beyond the Sea by TJ Klune or Iron Gold

Bought these two beauties while waiting on a connecting plane at Lisbon airport. Somewhere Beyond the Sea by TJ Klune is quite fresh book, a continuation of his **The House in the Cerulean Sea" which