Two-book set of drills to train logical thinking. - Title: Story Reasoning Drill - Publisher: Gakken - Title: Drill to Improve Memory Just by Looking - Publisher: Sunmark Publishing Purchased new and read a few times. I think they are in good condition, but please make your purchase decision based on the images. Please consider only if you understand that they have been stored at home. No claims and no returns. Please refrain from price negotiations.