Fantasy, adventure, action. Paperback book that I read between 2013-2018. Follows 2 children/teens, the main character is female, with an amulet or keys into a different world, facing enemies, lion, weeping angels, etc, before they escape

[Zainab]

Hello, I've been looking for this book for a long time but I've never been able to find it. I've searched for months but I still haven't been able to find it so I look to everyone here for help if possible.

I read it between 2013 and 2018 when I was in secondary school.

What I remember about this book is: (Spoilers? Sorry I'm new to this page)

A young girl and boy with and amulet that transports them to this other world. They fight different monster like a lion, weeping angels, a room full of spiders and so one. One part that I remeber specifically was where they were slowly sucked into these red sofas. I don't think it has a series and I cannot remember the author.

I'm not sure if this information is much to go off of but I hope it helps. Unfortunately, I cant remember much more then this.

Please help me find this book!

[Tab]

Do you remember the cover?
Part of a series?

[Zainab]

The cover was a blue paperback, I remember that much and I don't think it was a series

[Rainbowheart]

Were the boy and girl siblings or friends?

Were they older teenagers or younger children?

Any romance in the book?