This book gets 4⭐'s and it may be because I'm kinda nostalgic for it... I heard the audiobook read by Simona Pahl in German.

It's definitely a YA trilogy, Kerstin Gier is a renowned YA author, her Ruby Red Trilogy is amongst the favorites of many. The Silver Trilogy tho is also a very good one. Like I said it's a kinda nostalgic read or better listen for me, even tho or rather because I never read the series before, but my sister did and told me everything about it.

I really love the characters, they all have a unique personality and the dynamics are quite funny sometimes. I really like Kerstin Gier's easy writing style and adequate pacing.
It's written from Liv, our main character's perspective.
And I just love the idea of a Dream Corridor with doors to everyone's dreams, I dreamed of that as a kid and really thought I was able to dream like Liv and the boys.

It's definitely for a younger audience, but I still enjoyed it very much!