You can download volume 1 right now for $5.99. There is also a free preview if you want to take a taste and see how the book looks.
If all goes to plan, volume 2 will be up on April 25.
In the meantime, here is a tease of an unfinished page from volume 3, before Nico puts the tones on it...
Current Sountdrack: Monica, New Life (Deluxe Version)