This is true in the UK as well - the right are still clinging to it like a comfort blanket while they're dying in the polls but it's clear that voters are more concerned (and have always been more concerned) with the cost of living crisis, housing and health.
It's the economy stupid...
I can't remember specific titles but Usbourne books did tonnes of non fiction books on history, space and how the body works that I loved.
But the Horrible Histories series probably won hands down.