この本は読むのに簡単だ。

this (something or someone close to the speaker (including the speaker), or ideas expressed by the speaker)

book; volume; script; this; present; main; head; real; regular; counter for long cylindrical things; counter for films, TV shows, etc.; counter for goals, home runs, etc.; counter for telephone calls

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

to read; to count; to guess; to predict; to read (someone's thoughts); to see (e.g. into someone's heart); to divine

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although

simple; easy; uncomplicated; brief; quick; light

be; is; indicates past or completed action; indicates light imperative