An adult coloring book by Johanna Basford, the illustrator known for Secret Garden. Its theme is a series of imaginative rooms and the furniture and small objects inside them.
The rooms include a crafter's studio full of sewing and craft supplies, a wizard's workshop lined with strange tools, an ice cream shop and a party room.
The book is a square of about 25 cm on each side (B4 variant format) and has 80 pages. This is the Japanese edition of Rooms of Wonder, translated by Rika Shibata.