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Illuminature Book: three books in one- the supplied absorptive gel filters transmit only a narrow range of frequencies (red, green, and blue here) and the inks on the page that do not match with the color range of each gel are revealed as dark images. This book explores 10 ecosystems from around the planet, and on every page red reveals animals seen during the day, blue shows nocturnal creatures, and green unveils the diversity of plant life. The art design is part of the RGB project by the CARNOVSKY design team (Silvia Quintanilla and Francesco Rugi) with informative biology written by Rachel Williams.