140,000+ Murdoku Copies Sold
Blackie Books dominates with 250,000+ copies sold, offering 60 exercises on music, film and more

Murdoku has taken Spain by storm, selling more than 140,000 copies of its adult activity books. This phenomenon is part of a larger trend that began a decade ago with colouring books aimed at adults, which has since evolved to include puzzles, pop culture, and mysteries.
Blackie Books is another major player in this market, having sold over 250,000 copies of its adult activity books. The publisher has released 14 volumes of its books, one per summer, and has expanded its concept to include 'Cuaderno Kids' for children from the age of six and 'Cuaderno Golden' for older readers with memory challenges.
The latest Blackie Books activity book offers 60 exercises on a range of topics, including music, film, TV series, literature, science, and sport. This diverse range of subjects has helped to make adult activity books a staple of Spanish entertainment, providing a screen-free alternative for those looking for mental stimulation.
The success of adult activity books can be attributed to their unique blend of puzzles, pop culture, and mysteries. This combination has proven to be a winning formula, with many readers seeking out the books as a way to relax and challenge themselves. Blackie Books has also launched a Catalan-language version of its activity book, called 'Quadern', which features local touchstones and has helped to further increase the genre's popularity.
## Why it matters The rise of adult activity books in Spain is significant because it shows a hunger for screen-free fun and a playful workout for the mind. In an era where digital devices dominate our lives, the success of these books demonstrates that there is still a demand for analogue entertainment. The trend also highlights the importance of mental stimulation and relaxation, with many readers turning to adult activity books as a way to unwind and challenge themselves.
The future of adult activity books in Spain looks bright, with new titles and concepts being released all the time. As the genre continues to evolve, it will be interesting to see how it adapts to changing reader preferences and technological advancements. For now, however, it is clear that adult activity books have become a beloved part of Spanish popular culture, offering a unique and engaging way to entertain and stimulate the mind.




