The Lonely Little Fridge is available as a hardcover, a paperback, and an ebook. Translations are ongoing. So far, here are the different versions (as of 2022-07-24):

English (released)

ISBN 978-0-9689795-7-0 (hardcover)
ISBN 978-0-9689795-8-7 (ebook)
ISBN 978-1-7778198-1-1 (paperback)

Esperanto (released)

ISBN 978-0-9689795-9-4 (hardcover)
ISBN 978-1-7778198-0-4 (ebook)
ISBN 978-1-7778198-2-8 (paperback)

Portuguese (released)

ISBN 978-1-7778198-3-5 (hardcover)
ISBN 978-1-7778198-5-9 (ebook)
ISBN 978-1-7778198-4-2 (paperback)

Klingon (hardcover and ebook released; paperback to come)

ISBN 978-1-7778198-6-6 (hardcover)
ISBN 978-1-7778198-8-0 (ebook)
ISBN 978-1-7778198-7-3 (paperback)

French (to come)

ISBN 978-1-7778198-9-7 (hardcover)
ISBN 978-1-7781804-1-5 (ebook)
ISBN 978-1-7781804-0-8 (paperback)

Toki Pona (hardcover released; ebook and paperback to come)

ISBN 978-1-7781804-2-2 (hardcover)
ISBN 978-1-7781804-4-6 (ebook)
ISBN 978-1-7781804-3-9 (paperback)