: It's designed for developers with experience in languages like Java or Ruby who want to transition to functional programming on the JVM .

: Major book retailers like Amazon and Barnes & Noble typically stock the paperback edition.

: You can find listings for both the first and second editions in paperback format on eBay .

: You can also check for physical copies directly from the publisher, Manning Publications , which often includes the e-book for free with a print purchase. Key Book Details