Croation designers Bruketa&Žinić have produced an unusual annual report for an investment company – a book that turns green in the reader's hands.

The 'In Good Hands' report for Adris reveals green leaf patterns on the cover when warmed by the heat from a hand.

Last year we featured the designers' previous annual report for Adris, which has a cover that glows in the dark.

Bruketa&Žinić are also responsible for Dezeen's most popular story ever – an annual report for a food company that must be baked before reading.

Photographs are by Domagoj Kunić.

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Here's some more text from the designers:

A book that grows green in your hands.

Good things grow in good hands. Adris group is a company owned by its employees and that is why it has grown in the past year, despite the crisis. Adris group's annual report, entitled 'In Good Hands', reveals floral details when heated by the palm of the hand, metaphorically illustrating how hands can achieve anything.

Credits: Davor Bruketa, Nikola Žinić (Creative Directors), Nebojša Cvetković, Neven Crljenak (Art Directors), Ivan Čadež (Senior Copywriter), Vesna Đurašin (Copywriter, Production Manager), Radovan Radićević (DTP), Zrinka Jugec (Account Director), Ivana Drvar (Account Executive Senior), Vedran Klemens (illustrator), Brlog / Tin Kadoić (digital production). Adris grupa / Predrag D. Grubić (editor), Kristina Miljavac (executive editor), Hrvoje Patajac (text).

Print: Cerovski print boutique, Stegatisak
Thermo color printing: Knepsen
Binding and blind folding: Knjigovežnica Firšt