The books have seen translations to diverse languages such as Korean, Armenian, Ukrainian, Arabic, Urdu, Hindi, Bengali, Bulgarian, Welsh, Afrikaans, Albanian, Latvian, Vietnamese and Hawaiian. The first volume has been translated into Latin and even Ancient Greek, making it the longest published work in Ancient Greek since the novels of Heliodorus of Emesa in the 3rd century AD. The second volume has also been translated into Latin.

what was the original language?

american

Various religious fundamentalists have claimed that the books promote witchcraft and religions such as Wicca and are therefore unsuitable for children, while a number of critics have criticised the books for promoting various political agendas. The series has landed the American Library Associations' Top 10 Banned Book List in 2001, 2002, 2003, and 2019 with claims it was anti-family, discussed magic and witchcraft, contained actual spells and curses, referenced the occult/Satanism, violence, and had characters who used "nefarious means" to attain goals, as well as conflicts with religious viewpoints

that sounds ominous, could you be more specific

Sure.

Librarian Nancy Knapp pointed out the books' potential to improve literacy by motivating children to read much more than they otherwise would. The seven-book series has a word count of 1,083,594 (US edition). Agreeing about the motivating effects, Diane Penrod also praised the books' blending of simple entertainment with "the qualities of highbrow literary fiction", but expressed concern about the distracting effect of the prolific merchandising that accompanies the book launches.

so the american library association trying to cancel nancy knapp

Note the "effect of the prolific merchandising that accompanies".

ya but thats just "a concern"