Dr Tarja Moles is an author who grew up in Finland, but now lives in West Devon, UK.

​She has created and co-created 500+ books under a number of pseudonyms while writing logic puzzle books, a humorous guide book and cookbooks for special diets under her own name. Her monthly column appears in Writing Magazine.

Logic puzzle books


The Stickipeak Logic Puzzle Challenge:
65 logic grid puzzles with detailed solutions

Jamie is spending the summer with Grandma in Stickipeak. As you go through the puzzles and work out their solutions by using pure logic, you’ll get to know this quaint little village, its quirky inhabitants, and what really goes on there.
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The Christmas Countdown Logic Puzzle Challenge:
25 Christmas-themed logic grid puzzles with detailed solutions

Santa and his household are busy getting ready for Christmas. Festive cheer abounds as gingerbread houses are baked, Christmas trees decorated, and presents wrapped. Although on the surface everything seems under control, things don’t always go to plan – especially, when there are mischievous elves around... As you go through the puzzles, you get to find out how Santa’s household is preparing for Christmas and what the elves and reindeer really get up to when Santa is not watching.
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The Xenophobe's® guide to the finns
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A frank and funny look at what makes the Finns Finnish
Click here to find out more
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​“This is how a guide book should be written. It won’t tell you where to catch a bus in Helsinki, but it will give you a very sharp insight into the mind of the guy who drives it. It tells me things I want to know about the people; things which other guide books avoid mentioning. The first time I read it was to learn about the Finns. The second time was simply to enjoy again the brilliantly funny prose.”
Review in The Guardian
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Food writing
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No Naughties brings you recipe ideas, baking tips and information on living ​with
multiple dietary restrictions. Click on the book covers to find out more
or go to www.nonaughties.com to see recipes and baking tips.​
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The 5:2 diet cookbooks contain low-calorie meal ideas and recipes.
Click on the book covers to find out more.
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research for writers
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Tarja has a PhD in history and over 20 years' experience in contemporary and historical research.
In addition to writing her monthly 'Research Tips for Writers' column for Writing Magazine, she has run research skills courses and workshops for fiction and non-fiction writers.