I made several of these box greeting cards to thank my volunteers at my real-life library job.
The large window and boy reading on the window seat work perfectly for this type of pop up card.
When the card is closed, you see a bouquet of roses, shelves of books, and a glimpse of the arched window.
This is the back of the closed card.
The illustrations are by Margaret Bloy Graham, from The Plant Sitter.
The large yellow rose is a freebie from SVG cuts.
It took me about 4 hours of cutting, pasting, duplicating, stretching, and shrinking, to fill the card.
I make these box cards with an box-shaped interior strut. See this post for details.
The boy reading a book is on the back cross piece. The dog and piles of books are on the front cross piece.