Taschen frequently has large and small variant of their art books. But they also have multiple size variations for large format, like XL, XXL, Baby Sumo and Sumo. See their [glossary](https://www.taschen.com/en/company/glossary/).
For example *Michelangelo: The Complete Works. Paintings, Sculptures, Architecture* comes in [XL](https://www.taschen.com/en/books/art/48101/michelangelo-the-complete-works-paintings-sculptures-architecture/) and [XXL](https://www.taschen.com/en/books/art/01155/raphael-the-complete-works-paintings-frescoes-tapestries-architecture/) editions.
What is the best way to find out the largest edition they published for some title? For example, [The World of Ornament](https://www.taschen.com/en/books/classics/44843/the-world-of-ornament/) is still available, but it had multiple editions, where one was split in 2 volumes, and was of different size, and I would like to find out what was the biggest size in history of this or any other particular title.
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