PAGE DIMENSIONS FOR NATIONAL GEOGRAPHIC ADVENTURE
Book Trim: 8" x 10 1/2", Perfect Bound, Web Offset
| Non-Bleed (Width x Depth) | Inches | Millimeters |
| Page | 7 x 9 3/4 | 178 x 248 |
| Spread | 15 1/4 x 9 3/4 | 387 x 248 |
| 1/2 Horizontal Spread | 15 1/4 x 4 3/4 | 387 x 121 |
| 1/2 Horizontal Page | 7 x 4 3/4 | 178 x 121 |
| 1/2 Island | 4 5/8 x 7 1/8 | 118 x 181 |
| 2/3 Vertical | 4 5/8 x 9 3/4 | 118 x 248 |
| 1/3 Vertical | 2 1/4 x 9 3/4 | 57 x 248 |
| 1/3 Square | 4 5/8 x 4 3/4 | 118 x 121 |
| 1/6 Vertical | 2 1/4 x 4 3/4 | 57 x 121 |
| Destinations Ads | 2 1/4 x 4 | 57 x 102 |
| Bleed (width x depth) | Bleed | Trim | Live | |
| Page | Inches Millimeters |
8 1/4 x 10 3/4 210 x 273 |
8 x 10 1⁄2 203 x 267 |
7 3/8 x 9 3/4 187 x 248 |
| Spread* |
Inches Millimeters |
16 1/4 x 10 3/4 412 x 273 |
16 x 10 1⁄2 406 x 267 |
15 1/2 x 9 3/4 394 x 248 |
| 1/2 Horizontal Spread** |
Inches Millimeters |
16 1/4 x 5 3/8 412 x 136 |
16 x 5 1/8 406 x 130 |
15 1/2 x 4 3/8 394 x 111 |
| 2/3 Vertical** |
Inches Millimeters |
5 7/16 x 10 3/4 138 x 273 |
5 3/16 x 10 1⁄2 132 x 267 |
4 7/16 x 9 3/4 113 x 248 |
| 1/2 Island |
Inches Millimeters |
5 1/8 x 7 5/8 130 x 195 |
5 x 7 1⁄2 127 x 191 |
4 7/16 x 7 1/4 113 x 184 |
| 1/2 Horizontal** |
Inches Millimeters |
8 1/4 x 5 1/4 210 x 133 |
8 x 5 1/8 203 x 130 |
7 3/8 x 4 3/8 187 x 111 |
| 1/3 Vertical** |
Inches Millimeters |
3 1/8 x 10 3/4 79 x 273 |
2 7/8 x 10 1⁄2 73 x 267 |
2 1/8 x 9 3/4 54 x 248 |
| 1/3 Square** |
Inches Millimeters |
5 1/8 x 5 1/4 130 x 133 |
5 x 5 1/8 127 x 130 |
4 1/8 x 4 1/8 105 x 105 |
* Spreads
- For spreads bleeding across gutter, allow no safety for photographs. Please do not mirror image in gutter.
- For body copy, allow 3/8" (10 mm) on each side of gutter.
- For headlines, split copy at gutter between words or letters, and allow 3/8" (3 to 7mm) safety on each side of gutter.
** Fractional Bleed Ads
- 1/8" (3mm) trimmed off all sides for balance.
