I purchased this item but never had the opportunity to use it, so it has been stored at home. I have kept it in good condition, but please refrain from purchasing if you are sensitive to items that have been stored at home. (Product Description) "Google Cloud for Enterprises: Building and Operating Systems Leveraging the Cloud" Satoshi Sato / Etsushi Nakai / Satoshi Yaguchi / Yuji Toyama / Yuji Toyama / Tomoya Ono / Makoto Watanabe / Yuki Iwanari / Tomoo Kubo / Taiga Murakami / Misuzu Hoshi Price: ¥3300