Create a professional 50-page children’s coloring book titled “HAPPY FARM” for children ages 4–8, designed for Amazon KDP paperback printing. BOOK SPECIFICATIONS: - Trim size: 8.5 × 11 inches - Portrait orientation - Interior: black ink on white paper - 300 DPI / print-ready quality - No interior bleed - Keep all important artwork safely inside the trim and margins - Create exactly 50 UNIQUE interior coloring pages - Export the complete interior as one print-ready PDF - Do not create separate files for each page if the platform supports a combined PDF CORE STYLE: PURE BLACK-AND-WHITE OUTLINE COLORING ART ONLY. Use a completely white background and bold, thick, smooth, clean black outlines. Cute, cheerful cartoon style with friendly baby farm animals, simple rounded shapes, large open coloring areas, clear full-body characters, and consistent line thickness throughout the entire book. Make the artwork easy for children ages 4–8 to color. Keep backgrounds attractive but simple. Every page should have a different composition and setting while maintaining one consistent visual style. FARM WORLD: Create a warm, cheerful family farm containing a cozy farmhouse, red barn, wooden fences, farm gates, vegetable gardens, flower gardens, apple orchard, corn field, hay field, pasture, pond, small bridge, farm paths, chicken coop, horse stable, sheep pen, pig pen, feeding area, hay barn, tractor area, garden shed, wheelbarrow, hay bales, trees, flowers and other simple farm elements. ANIMALS: Use cute baby cow, calf, goat, lamb, sheep, horse, pony, piglet, chicken, chick, duckling, rabbit, donkey, turkey, goose, llama, alpaca, puppy and kitten. Use different combinations throughout the book. PAGE VARIETY: Create 50 different scenes. Examples include: farmyard, barn entrance, vegetable garden, flower garden, apple orchard, pond, wooden bridge, hay field, corn field, horse stable, chicken coop, sheep pasture, cow pasture, pig pen, farm gate, farmhouse garden, countryside path, tractor area, hay barn, garden shed, feeding area, watering area, farm meadow, tree area, harvest scene, family farm picnic area and peaceful countryside scenes. Use 1–3 animals per page, with occasional group scenes. Do not repeat the same animal arrangement or background composition. STRICT INTERIOR RULES: - Pure black outlines only - White background - No color - No gray - No grayscale fills - No shading - No shadows - No gradients - No textures - No cross-hatching - No photorealism - No 3D effects - No tiny complicated details - No text - No letters - No numbers - No captions - No logos - No watermarks - No decorative borders - No frightening expressions - No distorted animals - No cropped animals - No important elements touching the page edge Each page must look like a professionally illustrated children's coloring-book page, not a coloring-book generator test image. PAGE COMPOSITION: Place the main animals prominently in the center or foreground. Keep them fully visible and clearly separated. Use simple recognizable farm objects in the background. Leave generous white areas for coloring. Maintain consistent proportions, line weight, character quality and visual style across all 50 pages. FINAL OUTPUT: Generate exactly 50 unique interior coloring pages and combine them into ONE high-resolution 8.5 × 11 inch portrait PDF, suitable for Amazon KDP paperback interior upload. Do NOT include the front cover inside the 50-page interior PDF. COVER: Create the front cover as a separate colorful children's book cover featuring several cute baby farm animals together on a cheerful family farm. Cover title: HAPPY FARM Cover subtitle: Cute Farm Animals Coloring Book for Kids Ages 4–8 Make the cover colorful, cheerful, professional and visually appealing. The cover should be created separately from the interior because the final KDP full-cover dimensions must be calculated using the final page count and KDP cover template.