This is the 14632nd most frequent Russian word.
переиздании
"Переиздании" means "reissue" or "republication."
Here, 'переиздании' is a noun meaning 'republication,' used in the nominative case as the object of the preposition 'в' expressing location or state.
Книга находится в процессе переиздания с новыми иллюстрациями.
The book is in the process of being republished with new illustrations.
In this sentence, 'переиздания' (the genitive singular form of 'переиздание') is used to signify the concept of republishing and its importance.
На выставке обсуждали важность переиздания классической литературы.
At the exhibition, they discussed the importance of republishing classical literature.
Here, 'переиздание' is again a noun, in the accusative case as the object of 'на,' expressing hope or expectation for the action.