Though the retreat is clearly meant to afford the solitude writing so often requires, Kathleen reports that "it's very lively. Deer approach, birds bathe. The sun warms my desk and you can hear the rain."

Architect Gustavo Costa calls the home library the “project’s heart.” This central space houses the owner’s expansive collection of about 5,000 books, and acts as a meeting place for friends and colleagues. A Gerrit Thomas Rietveld Red and Blue chair completes the space.

Architect Gregory Phillips connected the original house to a new modern extension that doesn’t interfere with the surrounding houses. “I try to be true to the location,”he explains, “so it doesn’t seem like some spaceship has landed.”

Architecture firm NADAAA planned a striated addition to a brick neo-Georgian house in Boston with the owners’ primary goal in mind: to engage with the outdoors year-round. The walls of the rear kitchen and living space are virtually all glass, allowing sight lines to the existing gardens and new pool house through a series of framed vignettes onto the backyard landscape. The glass box is bookended by uniform “fins” that mark the edge of each picture window, as shown here. Photo by John Horner.

The upstairs study and reading room is Lisa’s sanctuary and showcases her her aesthetic preferences: soft materials, natural light, and windows that take in views of the city.

The studio’s second floor serves as a library. The sunken bathtub offers interrupted sightlines across the space and out into the backyard. The tub, like the library’s floor, is made of concrete.

Erin Moore of FLOAT Architectural Research and Design, based in Tucson, Arizona, designed a 70-square-foot writer’s retreat in Wren, Oregon, for her mother, Kathleen Dean Moore, a nature writer and professor of philosophy at nearby Oregon State University. The elder Moore wanted a small studio in which to work and observe the delicate wetland ecosystem on the banks of the Marys River. Enlisting her daughter’s design expertise, her professor husband’s carpentry savoir faire, the aid of friends, and a front loader, Kathleen and her crew erected the structure in September 2007. Photo by Gary Tarleton. Totally off the grid—–Kathleen forgoes the computer and writes by hand when there—–the Watershed was designed to tread as lightly on the fragile ecosystem as the wild turkeys and Western pond turtles that live nearby. “

One of the greatest design challenges, according to Franz and Paré-Mayer, was reimagining the dark, unfinished garage space in a way that would “establish [it] as primary, instead of an afterthought to the original floor above.” This was achieved by layering open, linked spaces on the ground floor and sticking to a few carefully selected materials for cohesion and fluidity. There are hardly any hallways in the home; every space serves a function. Polished concrete floors continue throughout the new living level, and a bent metal dining chair with a reclaimed Douglas fir backrest made by Scholz sits in front of an open white oak staircase.

Located in West Village, designer Suchi Reddy constructs a modern family-friendly apartment.

The studio addition is part of a revamp that unifies buildings, canopies, and the courtyard. It was a three-year job for architect-owners Matt Wittman and Jody Estes, with many materials opportunistically salvaged.

White was used extensively throughout the addition, a choice that the architects say enhances the spacious feel of the rooms and draws attention to the views.

Located on the outskirts of Morelia, Mexico, the 5,920-square-foot UC House by architectural designer Daniela Bucio Sistos is grounded by a foyer with a raised, circular ceiling, which houses a tree that grows out from a hole in the floor at the center.

Architect Dan Brunn's #9 Dream House captures the contemporary style of the designers Dwell selected for Decorist.

Floor-to-ceiling bookshelves provide ample storage for books and memorabilia.

The library is lined in reclaimed spotted gum that Maynard says “brings with it wisdom from its previous life.” A stained glass window by Leigh Schellekens makes the contemplative room feel like a domestic chapel.

To impart a high-design feel to the space, architect Mike Jacobs wrapped cabinetry from Ikea with a marble countertop and designed built-in bookshelves around the kitchen and study to help unify the area. Trips to shops in Palm Springs yielded the red side chair and metal magazine rack. The brown suede chair is from MidcenturyLA.

On one side of the house, a white central staircase leads to a split-level landing the Robertsons call "the reading room." "We needed a place to hang out and for the kids to read," explains owner Vivi Nguyen-Robertson. Awaiting the birth of the couple's son, she relaxes in a built-in reading nook in the library.

At night, the entire studio glows like a lantern, its light amplified by the reflection in the seasonal pond. I

When the Ferguson Sauder family—parents Meg, a school counselor, and Tim, a design instructor, plus kids Cole, Olive, and Asher—wanted a multifunctional backyard addition, they decided to build it themselves. Two Liftoff chairs by Tim Miller, one of Tim’s former students, surround an oil-drum fire pit set in granite dug up on the property. On the deck, the Panamericana chair is by Industry of All Nations.

Vila D’Acosta-Calheiros hung a space-saving wall shelf in the library. The table is by Eero Saarinen; the Tolomeo lamp is by Michele de Lucchi for Artemide. The red beanbag-like Sacco chair is by Zanotta, as is the Sciangai coatrack in the hall, beyond.

Modern bathroom vanities in white bathe the room in light, creating a relaxing atmosphere. Mirroring the kitchen of this home, the bathroom features custom wooden cabinetry and Brodware faucets.

The larger volume of the addition, consisting of kitchen, living, and dining spaces, loops around to the smaller bedroom through a wooden passage. The same ipe, with differing finishes, is used for both the interior and exterior. Expansive sliding glass doors by Fleetwood dramatically open up the living space to the outdoors.

The roof deck is a place for entertaining, and offers scenic hillside views. During the design process, the team was challenged with preserving these views while adhering to the required 3.5-foot railing height mandated by building code, a height that would block all views while seated. As a solution, the team came up with open metal railings that would maintain safety while preserving the view.

Privacy and respect for the natural environment was foremost in the new owners’ mind when conceiving the home’s redesign. The placement of the addition limits direct sightlines to neighbors and offers unbroken views of the surrounding area. The aluminum frame and glass walls create a light, airy atmosphere.

“Before, the house turned its back on the landscape,” said Parish. “This renovation and addition really animates the garden.” Sliding glass doors match those of the living room beyond the deck, and both can be completely open to the yard.

Sunlight is plentiful at every level of the house.

The glass balustrade and floor were sourced in Germany and installed by James Aiken. Angelique, the founder of Papillon Designs and Landscaping, clustered plantings around the exterior glass addition.

“There is a lot of glass so you can enjoy the view and the outdoor lifestyle even inside,” Henrik explains. “You live in the middle of the weather somehow. It’s a really harsh environment, as you have these southwesterly winds blowing through the house. But it is really beautiful as well.”

Installed by a local vendor, the Corian sinks and bath combine to form a freestanding island in the upstairs bathroom, outfitted with fixtures by Ritmonio. A series of artworks by Tim, including a sculpture that emits a soft glow, accent the pristine space.

Houston-based designer Barbara Hill is known for a stripped-down aesthetic that blends art-world cachet with Texas modernism. Vitra’s Slow chair sits in front of a powder-coated-steel bookcase made by Hill’s go-to fabricator, George Sacaris; it was originally built for the Houston house.

Clerestory windows in Tyler's design studio provide plenty of light, while built-in bookshelves and flat files offer ample storage.

Our kids are our future—teach them to be conscientious and kind to Mother Earth with these sweet, informative children’s books.

The couple has a large collection of cookbooks. To provide storage for them in the kitchen—and also seating—Sawatzky topped narrow bookcases (Bestå units by Ikea) with custom-made cushions, upholstered in gray Circa fabric by Knoll Textiles purchased from Modern Fabrics. The bookshelf-cum-bench was custom upholstered by Tina Morgan Designs.