Ruth Plumly Thompson Books

Bt Royal Bk of Oz 15

By Ruth Plumly Thompson

Average: 0.00, 0 Ratings

The Cowardly Lion of Oz

By Ruth Plumly Thompson

Average: 0.00, 0 Ratings

Return to L. Frank Baum’s wonderful world of Oz with this illustrated children’s book series. After Notta Bit More, the circus clown, accidentally utters the transformation spell that sends him an...

Grampa in Oz

By Ruth Plumly Thompson

Average: 0.00, 0 Ratings

Return to L. Frank Baum’s wonderful world of Oz with this illustrated children’s book series.When King Fumbo of Ragbad loses his head in a storm, Prince Tatters, accompanied by the wise and wonderf...

Lost King of Oz (Wonderful Oz Books, No 19)

By Ruth Plumly Thompson

Average: 0.00, 0 Ratings

Return to L. Frank Baum’s wonderful world of Oz with this illustrated children’s book series. Mombi, perhaps the wickedest witch in Oz history, sets out to find the legendary Lost King of Oz whom...

Hungry Tiger of Oz (The Wonderful Oz Books, 20)

By Ruth Plumly Thompson

Average: 0.00, 0 Ratings

Return to L. Frank Baum’s wonderful world of Oz with this illustrated children’s book series.When the winsome Hungry Tiger is whisked away to the Kingdom of Rash in an attempt to satisfy his appeti...

The Gnome King of Oz (The Wonderful Oz Books, 21)

By Ruth Plumly Thompson

Average: 0.00, 0 Ratings

Return to L. Frank Baum’s wonderful world of Oz with this illustrated children’s book series. Ruggedo, the wicked old Gnome King, escapes from Runaway Island and sets out to reclaim his own kingdom...

Giant Horse of Oz (The Wonderful Oz Books, 22)

By Ruth Plumly Thompson

Average: 0.00, 0 Ratings

Return to L. Frank Baum’s wonderful world of Oz with this illustrated children’s book series. The Scarecrow, tiny Trot from California, and Benny (a living stone statue from Boston) encounter High...

Jack Pumpkinhead of Oz (The Wonderful Oz Books, 23)

By Ruth Plumly Thompson

Average: 0.00, 0 Ratings

Return to L. Frank Baum’s wonderful world of Oz with this illustrated children’s book series. Peter, the lad from Philadelphia, joins forces with Jack Pumpkinhead to rescue Ozma and the Emerald Cit...

Yellow Knight of Oz (Wonderful Oz Book, No 24)

By Ruth Plumly Thompson

Average: 0.00, 0 Ratings

Return to L. Frank Baum’s wonderful world of Oz with this illustrated children’s book series. Sir Hokus of Pokes sets off on a quest and discovers instead of one of the greatest feats of enchantmen...

Purple Prince of Oz (The Wonderful Oz Books, No 26)

By Ruth Plumly Thompson

Average: 0.00, 0 Ratings

Return to L. Frank Baum’s wonderful world of Oz with this illustrated children’s book series. Prince Randy of Regalia must prove his right to be a royal. On his adventure-filled quest to fulfill...

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.