These books are somewhat hard to find depending on where you look on the internet. I would not say rare in terms of content but the editions seem to be harder to find. They have both been found to be priced at about 40 a piece based on condition so I did take that into account but feel free to send any reasonable offers. They will most likely be accepted. They are used books and not in the most stellar condition but I did try to take pictures of any binding issues or missing color from the edges of the covers (mostly the purple book). If you would like any additional pictures feel free to message that as well and I will post what you'd like to see. Shipping is negotiable as I found that Media Mail is typically faster than others now. If you would like to switch to Media Mail I can just tack on the6 to the fee posted and take off the original shipping method I have assigned to it. I just like to do it this way so everyone understands once you ship on your own it is not insured.k

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