Portuguese secondary literature names 6 books; ReadingRate holds 2 of them, listed here. The most approachable of them is Baltasar and Blimunda by José Saramago (difficulty 51/100, about 9.3 hours); the hardest is The Year of the Death of Ricardo Reis by José Saramago (68/100).
Other lists: AQA GCSE and A-level English Literature, Armenian secondary literature, Bavarian Lehrplan Deutsch, Cambridge IGCSE Literature in English (0475), CAPE Literatures in English – Caribbean Examinations Council, Common Core text exemplars (Appendix B), CSEC English B – Caribbean Examinations Council, EBAU Lengua Castellana y Literatura II (Andalucía), Eswatini literature in English, FUVEST leituras obrigatórias (USP vestibular), Hungarian literature curriculum (magyar nyelv és irodalom), Indonesian sastra curriculum, Kazakh literature curriculum, Leaving Certificate English – NCCA / State Examinations Commission, Lektury obowiązkowe – Polish national reading list, Lesotho literature in English, Literatura, Diseño Curricular – Provincia de Buenos Aires, Lithuanian literature curriculum (lietuvių kalba ir literatūra), Montenegrin literature curriculum (crnogorski jezik i književnost), Moroccan secondary Arabic literature, North Rhine-Westphalia Abitur Deutsch, OCR GCSE and A-level English Literature, Pacific Senior Secondary Certificate – English, Pearson Edexcel GCSE and A-level English Literature, Programme de français, lycée général et technologique, Russian FGOS literature standard, Singapore-Cambridge GCE O-Level Literature in English (2065), Turkish edebiyat curriculum, UNAM Escuela Nacional Preparatoria – programas de Literatura, Uzbek adabiyot curriculum, WBCHSE English and Alternative English syllabuses, WJEC/Eduqas GCSE and A-level English Literature. All lists.