This is Book 1 in Los viajes de Marta series. Marta’s plans for a carefree weekend in Madrid seem simple enough — until an unexpected encounter on the train sends everything off course. What follows is a fast-paced romantic comedy that unfolds between Madrid and Santiago de Compostela. Viaje a Madrid is a bilingual Spanish–English novel. It is designed for teenage and adult beginner learners who want to improve their Spanish by reading a real story and learning the language in context. The language broadly aligns with CEFR A2, making it suitable for GCSE Spanish (UK) and US high school Spanish I–II (Grades 9–10). Intermediate learners who want to gain reading confidence will also benefit from this story. The novel is written entirely in the present tense and uses high-frequency Spanish, allowing learners to follow the story with ease. A no-dictionary method supports the reading experience: key vocabulary is highlighted, comprehension questions are provided in English, and a full English translation appears alongside the Spanish text. This book is ideal for learners who want to build vocabulary, improve reading fluency, and gain confidence through story-based input, rather than drills or isolated sentences. The book has previously reached Amazon bestseller lists in Spanish-learning categories in the UK, US, Canada, Germany, the Netherlands and other countries.