The two large books are 5-3/4 x 8-3/4 in and the two small books are 4-1/2 x 5-3/4 in. The books have exposed-spine binding over Guatamalan belting or strips of cloth.  Each book has an interesting centerfold--one of the large books has an original lino block print as its centerfold.  Made in Portland.  Suitable for your meditation journaling or for special occasion gifts.