The Practical Book of Interior Decoration: A Timeless Guide to Harmonious Home Design

I. Basic Information

• Book Title: The Practical Book of Interior Decoration

• Authors: Harold Donaldson Eberlein & Adams McClure

• Publisher: J.B. Lippincott Company (1919)

• Genre: Home Design & Interior Decoration Reference

• One-Sentence Summary: A comprehensive early 20th-century handbook that teaches homeowners to build balanced, functional, and tasteful interiors using timeless design principles rather than fleeting fashion trends.

II. Core Content Overview

The book follows a logical, ground-up structure that starts with the architectural "bones" of a home and builds toward finishing decorative touches, culminating in a groundbreaking framework for personal style.First, it covers foundational structural elements: wall treatments (paint, wallpaper, paneling), floor coverings (rugs, carpets, tile), and window treatments. The authors emphasize that these elements form the permanent canvas of a space and must be chosen carefully before adding any furniture or decor.Next, it dives into furniture arrangement and selection, with a deep focus on the principle of visual balance. It breaks down both formal symmetrical balance (for stately rooms) and informal asymmetrical balance (for cozy, lived-in spaces) and explains how to match furniture scale to room size. It also critiques the common mistake of overcrowding rooms with unnecessary pieces.The third section covers decorative details: artificial lighting, mantel decoration, picture framing and hanging, and small accessories. A recurring theme here is restraint—the authors argue that too many small, meaningless trinkets destroy the peace and beauty of a room.Finally, the book introduces its most revolutionary concept: International-Interperiod Decoration. This framework rejects the rigid 19th-century rule that every room must strictly replicate one single historical period. Instead, it shows how to harmoniously mix furniture from different countries that share the same design spirit, or from adjacent periods with compatible aesthetics.

III. Key Core Principles

1. Balance is the non-negotiable foundation of all good design Every element in a room—from furniture to wall art to accessories—must contribute to overall visual equilibrium. A room with all tall furniture on one side and low pieces on the other will feel unconsciously uncomfortable, no matter how expensive the pieces are.

2. Function must always come before aesthetics Windows exist first to let in light and air, not just to look pretty with elaborate curtains. Furniture must be comfortable and usable before it is decorative. The authors condemn any design choice that makes a space harder to live in for the sake of appearance.

3. Plain backgrounds make the best decorative canvas Simple, neutral walls and floors allow beautiful furniture, textiles, and art to shine. Overly patterned or brightly colored backgrounds create visual chaos and make it impossible to highlight meaningful pieces.

4. Restraint is the ultimate mark of good taste It is far better to have a few high-quality, meaningful accessories than a clutter of cheap, meaningless trinkets. Empty space is not wasted space—it is a necessary design element that gives the eye room to rest.

5. Personal style comes from thoughtful mixing, not rigid copying A home should reflect the people who live in it, not a museum exhibit of one historical period. Compatible styles from different countries and eras can be combined to create a space that feels unique and personal.

IV. Actionable Tips for Everyday Use

• Furniture arrangement step-by-step: Always place the largest, most essential piece (sofa, bed, dining table) first. Then add secondary pieces (chairs, dressers) around it, and finish with small tables and accessories. Stop before the room feels full.

• Window treatment rule: Curtains should either graze the floor or hang one inch above it (for easy cleaning). Avoid floor-dragging curtains that collect dust and look messy. If your window has beautiful wood trim, mount curtains inside the frame to preserve the architectural line.

• Picture hanging guide: Hang art so its center is at eye level (approximately 5.5 feet from the floor). Always group art with the furniture below it to create a unified composition—never hang art high up on an empty wall with nothing beneath it.

• 60-30-10 color ratio: Use 60% of a neutral main color for walls and large furniture, 30% of a complementary secondary color for textiles and accent furniture, and 10% of a bold accent color for small accessories.

• Accessory curation method: Pack all your small decor items away first. Then take out only the pieces you truly love or that have special meaning. Add them one at a time until the room feels balanced, and store or donate the rest.

V. Memorable Quotes

• "Interior decoration is not a mystery: it is the use of enlightened common sense."

• "Have but few accessories and choose those most advantageous for their purpose, most appropriate for their environment, and which will best tell in decorative effect."

• "Good taste, like good manners, is not a thing of the moment or of caprice. Like good manners, it has a permanent, enduring quality, unaffected at bottom by minor ephemeral variations of fashion."

• "The harmony of our home depends largely upon what we do in the matter of window furnishings: we may have rooms irritating to the nerves through their glare, their dullness or their harshness; or restful and full of happy charm."

• "Plain surfaces are the necessary balance for strong and varied color."

VI. Strengths and Limitations

Strengths

• Timeless principles that still hold true today: The core ideas of balance, function, and restraint are just as relevant in 2026 as they were in 1919, and form the basis of all modern interior design.

• Extremely practical, actionable advice: Every concept comes with specific, step-by-step instructions that any homeowner can follow, no design experience required.

• Revolutionary approach to style mixing: The International-Interperiod framework was decades ahead of its time and laid the groundwork for modern eclectic design.

• Inclusive of all budgets: The book offers solutions for every price point, from expensive antiques to budget-friendly options like painting old furniture and using handwoven rugs.

Limitations

• Dated product references: Many of the specific furniture manufacturers and material brands mentioned are no longer in business, making those sections irrelevant to modern readers.

• Minor gendered assumptions: Reflecting the era it was written in, it occasionally makes outdated generalizations about men and women's roles in home decoration, though these are rare and easy to overlook.

• No coverage of modern home features: It does not address open-concept layouts, small apartments, or modern materials like plastic, metal, and glass that are common in contemporary homes.

• Overly critical of some historical styles: The authors are unnecessarily harsh on more ornate styles like Rococo, failing to acknowledge their artistic merit when used thoughtfully.

VII. Who Should Read This & How

Ideal Readers

• Homeowners who want to decorate their homes themselves without hiring a professional designer

• Interior design students and beginners looking to master the fundamental principles of good design

• Lovers of traditional and vintage home styles who want to mix different periods tastefully

• Anyone tired of fast furniture and fleeting trends who wants to create a timeless, personal home

Reading Tips

• Skip outdated product sections: Glance quickly over mentions of 1910s brands and focus on the underlying principles and methods.

• Start with Part III if you love eclectic design: If you are most interested in mixing styles, read the International-Interperiod section first, then go back to the foundational chapters.

• Apply one principle at a time: Don't try to redecorate your entire house at once. Pick one room and one core principle (like balance or restraint) to focus on first.

• Pair with a modern design book: Combine this classic with a contemporary interior design guide to learn about modern materials and small-space solutions.

What You'll Gain

You will stop following random design trends and develop the confidence to create a home that works for your life and reflects your personality. You will understand how to arrange furniture, choose colors, and decorate in a way that feels both beautiful and comfortable.

Wishing you endless joy in creating a home that feels uniquely yours—one that wraps you in comfort, tells your story, and brings you quiet happiness every time you walk through the door.