Title: Fantasy No 3 - By: Michael Helman

I couldn't find any information on a book titled "Fantasy No 3" by Michael Helman with the barcode 24257003997. The barcode appears to be a fictional or randomly generated code, and it's not associated with any known product.

As I couldn't verify the existence of this product, I couldn't provide any additional details such as price, warnings, or concerns related to the product. It's possible that this is a fake or non-existent book, or it may be a mistake in the barcode scanning.

If you could provide more context or clarify the source of this barcode, I may be able to help you better. However, without further information, I couldn't find any reliable sources confirming the existence of this product.

In general, when dealing with unknown barcodes, it's always a good idea to exercise caution and verify the authenticity of the product before making any purchases or sharing information about it.