A book cover titled 'Olas'. The background should feature a powerful

A book cover titled 'Olas'. The background should feature a powerful, slightly abstract ocean wave, symbolizing turmoil and change. The wave is predominantly blue, with streaks of white and darker hues adding depth and emotion. In the foreground, faint silhouettes of a man and a young girl (representing Daniel and Emma) stand near the shore, facing the wave, evoking a sense of journey and struggle. The title 'Olas' is in bold, elegant letters at the top