Okay so I understand this might be a little hard, so here are some I found:

english:
Pahua and the Soul Stealer (Lori M. Lee)
Under the Whispering Door (TJ Klune)
My Androgynous Boyfriend (Tamekou) - here the main title is important, not the Vol. part
The Shadow of What Was Lost (James Islington)
Will Grayson, Will Grayson (John Green)
Aru Shah and the End of Time (Roshani Chokshi)
All That's Left in the World (Erik J. Brown)
Tell Me How You Really Feel (Aminah Mae Safi)
Delilah Green Doesn't Care (Ashley Herring Blake)
You Should See Me in a Crown (Leah Johnson)

czech:
Strážkyně mlžných kamenů (Christoph Marzi)