Hicotea by Lorena Alvarez
On a school field trip to the river, Sandy wanders away from her classmates and discovers an empty turtle shell. Peeking through the dark hole, she suddenly finds herself within a magical realm. Filled with sculptures, paintings and books, the turtle’s shell is a museum of the natural world. But one painting is incomplete, and the turtle needs Sandy’s help to finish it.
Rating: 
This was in my wishlist and the gorgeous Lauren from Northern Plunder gifted it to me for Christmas (go give her a follow and a read, she’s awesome). And of course it was a great read.
The artwork is vibrant and full of colours that make me think of dreams and ideas (not in a sleepy way), and the story shifts between reality and imagination and it is one of my favourite things as you can see the interactions and how they affect Sandy and make it real to her rather than what an adult would say is just her imagination.
In this second book, Sandy is trying to work on a project for school where they travel to a forest and have to wrtie about the experience. She finds a turtle shell and this plunges her into a magical world where things are slowly falling apart and Sandy tries to help.
Same as with Nightlights, it has a scary component, and imagination goes rampant on the pages but it is a gorgoeusly odd tale that I enjoyed a lot. I cna only recommend this one and the previous one. However, you do not need to have read the previous book to understand this one. It is still recommended because it shows a bit more of Sandy and her imagination.