Katherine Langrish Books

Troll Fell

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Forced to live with his evil identical-twin uncles after his father's death, twelve-year-old Peer tries to find a way to stop their plan to sell the neighbor's children to the trolls.

Troll Fell

By Katherine Langrish, Wyatt, David, Langrish, Katherine, Stevens, Tim

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The dramatic and gripping conclusion to Katherine Langrish's highly-acclaimed TROLL trilogy.When seafaring traders, Gunnar, and his sword-wielding son, Harald Silkenhair, land in Trollsvik, looking...

Troll Mill

By Katherine Langrish

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Troll Fell

By Katherine Langrish

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A Secret Kingdom Of Trolls, Guarding Their Legendary Gold, Lies In The Mysterious Shadows Of Troll Fell. It Is To This Eerie And Dangerous Place That Peer Ulfsson Must Go After His Father's Sudden...

Troll Mill

By Katherine Langrish, Langrish, Katherine

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Fifteen-year-old Peer Ulfsson Is Haunted By His Past. Forced To Live With His Evil Uncles Under The Eerie Shadows Of Troll Fell, He Nearly Fell Prey To Their Plan To Sell Children To The Trolls. No...

Troll Blood

By Katherine Langrish, Wyatt, David, Langrish, Katherine, Stevens, Tim

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Troll Blood

By Katherine Langrish, Wyatt, David, Langrish, Katherine, Stevens, Tim

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Dark Angels

By Katherine Langrish, Langrish, Katherine

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A gripping and wonderfully spooky standalone adventure from critically acclaimed author Katherine Langrish. When Wolf runs away from the monastery where he grew up, he finds himself lost on Devil's...

West Of The Moon

By Katherine Langrish

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An epic and action-packed fantasy adventure that weaves together Norse legends, shadowy creatures and an unforgettable hero. When Peer is orphaned he is taken by his wicked uncles to live at their...

Troll Fell

By Katherine Langrish

Average: 0.00, 0 Ratings

Forced To Live With His Evil Identical-twin Uncles After His Father's Death, Twelve-year-old Peer Tries To Find A Way To Stop Their Plan To Sell The Neighbor's Children To The Trolls.

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.