This is the 662nd most frequent Finnish word.
näiden
"Näiden" means "of these" or "these" (genitive plural form).
The word 'näiden' is an example of a demonstrative pronoun in Finnish, in genitive plural, indicating ownership or association with 'kirjojen'.
Näiden kirjojen tiedot ovat erittäin hyödyllisiä.
The information in these books is very useful.
Here, 'näiden' functions as a modifier for 'päätösten,' showing the origin or reason for the progress, in genitive plural.
Kiitos näiden päätösten johdosta olemme edistyneet paljon.
Thanks to these decisions, we have made significant progress.
In this sentence, 'näiden' modifies 'sääntöjen' in the genitive plural, specifying which particular rules are being referred to.