I remembered to look at this today.
Yes, there is a 4 week Psalter, the same as in CP, complete with psalm-prayers. The antiphons and psalm-prayers seem to be paraphrases of the ones found in CP, expressing the same general sentiments.
The Psalter uses the “Olinger” psalms.
The general arrangement and organization of the book is somewhat different, especially in the proper of seasons. You have, for example “Sundays in Advent” which include one reading common to all Sundays in Advent as well as the proper antiphons and prayers for each Sunday (1st Sunday,2nd,etc.) all in one section rather than having each day of Advent individually and sequentially.
The Our Father is somewhat “modernized” and concludes with the same doxology used at Mass: "For the kingdom, the power…:
“Zechariah’s canticle,” “Mary’s canticle,” and “Simeon’s canticle” (sic) are very similar to CP with some minor wording variations. The Invititory Psalm is a different rendering, probably from the Olinger translation used for the Psalter.