This is the ESD Laboratory version, not the Toray version. It dates back to around 1981.

The Japanese edition is A5 size, in black and white, with a total of 213 pages. It includes information on the differences between DOS versions 3, 3.1, 3.2, 3.2.1, and 3.3 for the Apple II, as well as instructions on how to create special versions of DOS. Unlike the Microsoft version that offers BASIC extensions, this DOS can be used independently, making it unique as it can be utilized with other programming languages.

There is slight yellowing near the edges. A price sticker is affixed to the back cover. There are no writings, folds, or stains. The quick reference fold-out sheet is also in good condition.

The English version ranges from ¥3,785 to ¥7,569 on eBay, plus shipping costs of ¥3,000 to ¥9,000, while used copies on Amazon are priced at ¥26,541. Currently, the Japanese version is not available in flea markets or auction sites. The original price at that time was ¥8,800, and this time it is being offered at the same price of ¥8,800.

It will be shipped via Yu-Packet, and it can be received at mailboxes, post offices, convenience stores, or using the hakoposu service.

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