Breakdown of A vosotros no os interesan esas novelas.
vosotros
you all
no
no / not
a
to
os
to you (plural) / yourselves
ese
that (m.sg., also esa, esos, esas, eso)
interesar
to interest
la novela
the novel
Elon.io is an online learning platform
We have an entire course teaching Spanish (Spain) grammar and vocabulary.