1. Betty Crocker Christmas Cookies (US)
2. Betty Crocker Christmas Treats (US)
3. Christmas Cookie Jar Cookbook | Gooseberry Patch (US)
4. Christmas Kitchen Cookbook | Gooseberry Patch (US)
5. Christmas Table Cookbook | Gooseberry Patch (US)
6. Cookie Craft Christmas | Janice Fryer (US)
7. Gooseberry Patch Christmas Classics (US)
8. Our Favorite Christmas Recipes | Gooseberry Patch (US)
9. Quick & Easy Christmas | Gooseberry Patch (US)
10.The 12 Days of Christmas | Margaret Fulton (Metric)

Format: Retail Epub
Readers: Adobe Digital Editions, Calibre etc
Tested on above readers with no dramas. If using Adobe Digital Editions, The 12 Days of Christmas | Margaret Fulton needs to be read in ADE V2.0. 
Conversion: convert to other formats with Calibre or ebook.online-convert.com

Please note that most books are in U.S imperial. I've included a quick metric conversion chart, in notepad format. Most of these books are re-issued frequently, so they're good classic Christmas cookbooks.
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Description from Cookie Craft Christmas:
Make every Christmas a cookie craft Christmas! The holidays offer just the right combination of cold weather and family togetherness for cookie crafters to elevate their skills to showstopping new heights. With more than 60 new Christmas cookie designs, along with festive New Year’s cookies and lovely Hanukkah treats, Cookie Craft Christmas delivers colorful inspiration to cookie decorators just when they need it most.
Each spread features a full-page, close-up photograph of one cookie cutter shape with detailed decorating instructions on the facing page. Some pages feature one gloriously decorated cookie, while others might feature two or three interpretations of the same shape — ornaments in complementary colors, Christmas trees decorated in varying styles, or gingerbread men wearing a rainbow of colors and patterns. 
Decorating instructions are as simple as tinting cookie dough green before baking Christmas trees or as intricate as piping hair on a gingerbread grandma, creating a frilly pattern for her apron, and decorating her dress using a pretty feathering technique. Techniques are described in full in a Decorating Glossary, and cookie and icing recipes are included.
Fresh inspiration and fabulous decorating ideas fill the pages of this handy little sourcebook. It’s the perfect gift for anyone who has ever picked up a pastry bag.