المستحيل الرابع (The Fourth Impossible) is an Arabic book that explores complex concepts through a puzzle-piece metaphor. The cover design features interlocking puzzle pieces with Arabic text, suggesting an interconnected exploration of ideas and philosophical concepts. Key features: • Written in Arabic language • Philosophical/thought-provoking content • Puzzle-themed cover design • Published by Seba Publishing • Author: Saad Al-Muttalib The book's cover includes a subtitle that translates to 'Forbidden ideas just for the purpose of thinking about them in the end', suggesting it deals with challenging or controversial topics meant to provoke thought and discussion. The visual metaphor of puzzle pieces implies the book helps readers piece together complex ideas or concepts.