Some of their scriptures were carried forward and translated, some were not.
Some were forgotten, such as the Dead Sea Scrolls.
A few hundred years after Jesus died the heads of the Roman Empire and Church held international meetings to determine which bits were scripture and which were not. Their output was mostly translated to Latin and Greek.
About 1200 years later a new round of translations and editing took place, resulting in various versions of the Bible in other European languages. These differed in various ways, large and small, from previous versions.
The most famous English language was created under the direction of King James of England.
While he was sponsoring this new English language version of the Bible he was also very interested in witchcraft trials, and attended some in Scotland, which he was also King of. Per the standard bios "James personally supervised the torture of women accused of being witches. After 1599, his views became more sceptical.
How is your Hebrew, Aramaic and ancient Greek?