Two DK travel guides are $1.99 each right now in the US...just in time for the summer travel season...
DK Eyewitness Rome
Kindle US:
https://www.amazon.com/dp/B08XX5SYXJ
Kobo US:
https://www.kobo.com/us/en/ebook/dk-eyewitness-rome-3
Barcelona Like a Local
Kindle US:
https://www.amazon.com/dp/B0B58FP85D
Kobo US:
https://www.kobo.com/us/en/ebook/bar...like-a-local-1