A premium hardcover novel printing project for an overseas publisher, featuring gradient-sprayed edges and vivid full-color cover printing.
The book set demonstrates Cokoaiai’s precision in offset printing, case binding, and aesthetic finishing techniques for the luxury book market.
1. Design Objective
To create a collector’s edition hardcover novel set that combines visual impact with long-term durability.
The client required a smooth matte finish, custom color-sprayed edges, and fine typography presentation suitable for retail and gifting.

2. Structural & Design Highlights
- Hardcover with matte lamination, offering a soft-touch surface and scratch resistance.
- Gradient-sprayed edges to match the sunset color palette of the cover design.
- Lay-flat opening for enhanced reading comfort.
- Precise corner wrapping and reinforced spine structure for durability.
- Custom box set version available for multi-volume collections.

3. Printing & Material Specifications
- Cover: 157gsm art paper + 2.5mm greyboard
- Inner Pages: 80gsm cream offset paper (high opacity, book-grade)
- Printing: Heidelberg 4C offset press
- Finishing: Matte lamination + spot UV
- Edge Spraying: Gradient pink–orange color matching Pantone tones
- Binding: Case-bound hardcover, thread-sewn for strength and longevity

4. Production Timeline
Color sampling & proofing: 5 days Printing & lamination: 7–10 days Sprayed edges & hardcover assembly: 7 days → Total lead time: approx. 20–25 working days

5. Final Output & Applications

Size: 155 × 235 mm Suitable for novels, gift box editions, literary collections, and publishing houses seeking premium-grade book printing. Supports full OEM customization — cover design, box sets, and edge colors.