ISBN-13: 9781426333040 / Angielski / Twarda / 2019 / 208 str.
ISBN-13: 9781426333040 / Angielski / Twarda / 2019 / 208 str.
Danger, mystery, and high adventure await as Cruz boards the Explorer Academy ship on a dangerous mission to the icy north in search of the first piece of his mother's hidden cypher.