I recommend Gerald Morris’ The Knights’ Tales series to any kid who ever donned chain mail or brandished a sword.
The books in this series are The Adventures of Sir Lancelot the Great, The Adventures of Sir Givret the Short, The Adventures of Sir Gawain the True, and The Adventures of Sir Balin the Ill-Fated. All four are retellings of Arthurian legends for young readers.
Both of my boys read these books to themselves, but they would also be great for reading together. They’re a quick read and they’ll make you laugh out loud.
And Gerald Morris also has a series of books for older kids called The Squire’s Tales. We haven’t read them yet, but we’d love to hear from you if you have.