I love the texture and perspective they use in 'The Iliad and the Odyssey' Homer for Young Readers. Although they're over 50 years old, they look amazingly current while also looking very authentic and traditional - the Provensen's are definitely on my growing list of favourite artists!
If you want to read a little more about this, I got the images from here: http://www.brainpickings.org/index.php/2013/08/14/iliad-odyssey-provensen/