The Wormworld Saga, it's a digital graphic novel (for short, webcomic) it's still sort at start, chapter 4 for now, I have speculation chapter 5 will be released in mid November.it seems he releases a new chapter in 3 months, from the date releases of this chapters.
The Wormworld Saga is an episodic graphic novel designed for tablets, from the mind of renowned digital painter Daniel Lieske.
Follow the life and adventures of Jonas Berg, who at a young age enters a parallel world through a forgotten painting in a dusty attic.
From that day on, Jonas’ fate is linked to this fantastic and mysterious place, in which he will visit indescribable wonders, experience true friendship, face insurmountable evil and discover his family legacy.
The Journey Begins by *daniellieske on deviantART
from what I have read so far, it has lots of promise and potential for a good story and the art is amazing, it's innovative as a graphic novel, it's good for any age, specially if you're appreciator of art and visual storytelling.
Plume webcomic it's other with lots of potential.