I know how tricky it can be to find the perfect open book image. My go-to is Unsplash—they have high-quality, free-to-use photos like 'Open Book on Wooden Table' by Hannah Olinger, which has a cozy, vintage vibe.
If you need something more dramatic, Shutterstock offers stunning paid options, like 'Mystical Floating Book with Glow,' though it’s pricier. For a quirky twist, DeviantArt artists like 'EtherealDreams' upload unique, fantasy-style book illustrations, but always check their licensing terms. Canva’s library is another solid pick, especially if you’re layering text—their 'Open Book with Leaves' template is super customizable. Always double-check usage rights, especially for commercial projects!