I was. not aware of this. It looks like this information came from the Harper Collins website, but has since been removed? When I checked, the book had no cover or summary, but The Lightning Path's page has been updated.
(SPOILERS FOR THE COVER AND THE BLURB BELOW, READ AT YOUR OWN RISK!!!!!!!)
The cover features a red panda, likely Dasher, being watched by golden monkeys. First book with no panda on the cover! Dasher probably plays a big role in something.
Now, at the time of writing this, the Dark Sun is not out. The Lightning Path's blurb is, however, and it spoils BIG PLOT POINTS for the Dark Sun.
Apperantly, whatever happens during the Dark Sun is carnage, and Ghost is FRAMED FOR MURDER??????????? WHAT. This poor panda can not catch a break.
The murdered victim is likely someone close to Rain, as the main suspect, Ghost, is forced out of her camp and the blurb states the murderer is targeting her loved ones.
I already have a few suspicions of who the actual murderer is, and who the murder victim is, but that can probably wait until the Dark Sun actually releases.
Another big thing, the Dragon has split into THREE, likely for each Dragonspeaker. The whole "Light Dragon and Dark Dragon" story from Curling Star in the Dark Sun excerpt probably relates to this.
Also, Brawnshanks is planning something, but every book Brawnshanks has been planning something so this isn't really new infromation.