We need to produce JSON with keys: summary, category, article_html. Summary 150-160 chars, meta description. Category "howto". article_html: full article in HTML. Must follow rules: exactly one H1 at start with primary keyword. Primary keyword: "best books to read in english online". H1 must be that. Then 5-7 main sections H2. Each section has 2-3 paragraphs of 100-150 words each. Must have UL/OL lists 5-10 items. Use strong for key terms. End with 3-5 FAQ questions as H3. Minimum 1500 words total. That is huge. We need to craft article with many words. 1500 words is long. Must ensure each paragraph 100-150 words. Let's calculate. 5-7 sections, each 2-3 paragraphs. Suppose 6 sections, each 2 paragraphs. 12 paragraphs. Each 120 words average. That gives 1440 words. Good. Need to keep within. Also H3 subsections? Not required but we can include. Also must not exceed 1500? Minimum 1500. We can aim 1600 words. Each paragraph 120 words gives 1440. Need 6 more paragraphs maybe to hit 1500. Could have 7 sections. But rule: 5-7 main sections. So we can do 7 sections, each 2 paragraphs. That's 14 paragraphs *120 = 1680 words. Good. We'll produce 7 H2 sections. Each with 2-3 paragraphs. We'll include H3 subsections. After sections, add FAQ H3 questions. Total words: around 1700. That is okay. Need to ensure each paragraph 100-150 words. We'll need to count approximate. Let's craft each paragraph roughly 120 words. We need to be careful. Provide 14 paragraphs. Let's draft each paragraph. Also include UL/OL lists 5-10 items. We'll add lists in some sections. Use strong tags for key terms. Also include book recommendations: list of books, authors, key takeaways. Provide specific titles. Let's plan structure: H1: Best Books to Read in English Online H2 1: Classic Literature for the Digital Age - H3 1.1: Why Classics Matter - H3 1.2: Top Online Classics H2 2: Modern Fiction That Transforms Your Reading Experience - H3 2.1: Contemporary Voices - H3 2.2: Must-Read Modern Titles H2 3: Non-Fiction Treasures for Knowledge Seekers - H3 3.1: Self-Help & Personal Development - H3 3.2: Social Sciences & Economics H2 4: Fiction for the Mind: Mystery, Thriller & Sci-Fi - H3 4.1: Suspenseful Reads - H3 4.2: Future Worlds H2 5: Poetry & Short Stories – Bite-Sized Masterpieces - H3 5.1: Poetic Gems - H3 5.2: Short Story Collections H2 6: Audiobook & eBook Platforms That Make Reading Easy - H3 6.1: Free Resources - H3 6.2: Premium Options H2 7: Curated Reading Lists & Community Engagement - H3 7.1: Thematic Reading Lists - H3 7.2: Join Reading Communities Then FAQ H3. Need to keep paragraphs 100-150 words. Let's craft each paragraph. Total paragraphs: For each section, 2 paragraphs. 14 paragraphs. Paragraph 1: Intro H1? No. H1 is title, not paragraph. We need paragraph after H1? We can start with H2 sections but guidelines: exactly one H1 at start; H2 for main sections. We can have a paragraph before first H2? Not specified but likely fine. But we should keep within rules. It's safer to have a short intro paragraph after H1? It's okay but still paragraph counts? Not specified; but it's okay. Let's include an introductory paragraph after H1, before first H2. So total paragraphs: 1 intro + 6 sections * 2 = 13 paragraphs. 13 paragraphs * 120 words = 1560 words. Good. Now write each paragraph. Paragraph counts: We'll craft approximate 120-130 words. We need to ensure each paragraph 100-150 words. Let's craft them with careful word count. We'll approximate but try to keep within. We'll also add UL lists. Could be within a paragraph or separate. We can add UL after a paragraph but must stay within sections. The rule: UL/OL lists 5-10 items. We'll include one list per section maybe. Also H3 subsections. We'll add H3 tags inside each H2 section. We'll have subheadings but not paragraphs? We can include some text under H3. But rule: each section has 2-3 paragraphs. So we can have the paragraph after H2, then maybe paragraphs after H3? But paragraphs count per section? It's ambiguous. Possibly paragraphs across section. We'll keep 2 paragraphs per H2 section ignoring H3 paragraphs. We'll incorporate H3 as headings but not add paragraph under each H3. We'll keep paragraphs under H2. Simplify: For each H2, we will have 2 paragraphs. We'll include H3 headings inside but not separate paragraphs. We'll just add H3 headings after paragraph or before? But that may break paragraph count. But rule: "H3 for subsections". We can include H3 headings but not paragraphs? That might be okay. Let's include H3 headings after paragraph but no paragraph under H3. The paragraphs will be under H2. That may violate "paragraphs per section" but likely fine. Let's craft. Also include strong tags for key terms. We need to include specific book recommendations with authors, key takeaways. We'll produce lists for each section. Let's write. Paragraph 1 (Intro): Word count ~120. Paragraph 2 (Classic Literature section under H2 "Classic Literature for the Digital Age"): first paragraph. Paragraph 3: second paragraph for same section. Similarly for others. Let's draft. We'll keep strong tags for key terms like "best books", "English online", "classic literature", etc. Now proceed to draft each paragraph. Paragraph 1 intro: "Whether you’re a seasoned bookworm or a casual reader, the digital era offers an endless library of English titles at your fingertips. From timeless classics to cutting‑edge contemporary novels, the best books to read in English online can enrich your mind, broaden your perspective, and fit into any lifestyle. This guide curates a diverse selection of must‑read works, highlights top platforms, and provides actionable tips so you can start exploring today." Word count: Let's count: Whether(1) you’re2 a3 seasoned4 bookworm5 or6 a7 casual8 reader,9 the10 digital11 era12 offers13 an14 endless15 library16 of17 English18 titles19 at20 your21 fingertips.22 From23 timeless24 classics25 to26 cutting‑edge