Karl Ryberg (106 results)

Condition: very_good. Gently read. May have name of previous ownership, or ex-library edition. Binding tight; spine straight and smooth, with no creasing; covers clean and crisp. Minimal signs of handling or shelving. 100% GUARANTEE! Shipped with delivery confirmation, if you're not satisfied with purchase please return item! Ships USPS Media Mail.…

Paperback. Condition: Good. No Jacket. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.

Paperback. Condition: Good. No Jacket. Former library book; Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.

Paperback. Condition: Very Good. The book has been read, but is in excellent condition. Pages are intact and not marred by notes or highlighting. The spine remains undamaged.

Condition: Very Good. Former library copy. Pages intact with possible writing/highlighting. Binding strong with minor wear. Dust jackets/supplements may not be included. Includes library markings. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good.

Condition: As New. Unread copy in mint condition.

Condition: New. Brand New.

Paperback. Condition: New. Learn how to use light to boost your mood and wellbeing, create a happier, healthier home and enhance your life.The light that surrounds on a daily basis us has a huge impact on our brains, our mood and our mental health and yet, on the whole, we tend to pay it very little attention. Many of us wake up in the dark, turn on the lights, go to work and sit in front of a computer screen for hours on end, passing our days oblivious to the poor-quality lighting that surrounds us. We complain of headaches, of low mood, of poor vision and of getting the blues, or SAD, in the winter, but rarely do we truly consider the effect that light may be having on our lives.In this brilliant, accessible book Karl Ryberg explains how light affects our eyes, our health and our wellbeing and inspires us to bring more quality light into our daily life. He gives us the scientific information we need to understand the subject, combined with practical advice on maximising our exposure to natural light, selecting the best lighting to use at home, along with advice on minimising the effects of light pollution and blue light from screens and smartphones, working with - not against - our body clocks (including light rituals for better sleep) and gives advice on the use of light therapy and practising eye yoga to encourage your eye muscles to work effectively.'This is timely advice.' - The Daily Telegraph.…

Paperback. Condition: new. Paperback. Learn how to use light to boost your mood and wellbeing, create a happier, healthier home and enhance your life.The light that surrounds on a daily basis us has a huge impact on our brains, our mood and our mental health and yet, on the whole, we tend to pay it very little attention. Many of us wake up in the dark, turn on the lights, go to work and sit in front of a computer screen for hours on end, passing our days oblivious to the poor-quality lighting that surrounds us. We complain of headaches, of low mood, of poor vision and of getting the blues, or SAD, in the winter, but rarely do we truly consider the effect that light may be having on our lives.In this brilliant, accessible book Karl Ryberg explains how light affects our eyes, our health and our wellbeing and inspires us to bring more quality light into our daily life. He gives us the scientific information we need to understand the subject, combined with practical advice on maximising our exposure to natural light, selecting the best lighting to use at home, along with advice on minimising the effects of light pollution and blue light from screens and smartphones, working with - not against - our body clocks (including light rituals for better sleep) and gives advice on the use of light therapy and practising eye yoga to encourage your eye muscles to work effectively.'This is timely advice.' - The Daily Telegraph Discover how quality light can enhance your life for optimum health and well-being and help you truly thrive. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.…

Paperback. Condition: New.

Paperback or Softback. Condition: New. Psycho Logic: The art of modern thinking. Book.

PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.

Condition: Good. Former library copy. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Includes library markings. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good.

Condition: New. pp. 224.

Condition: new.

Condition: New.

PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.

Condition: New. pp. 224.

Condition: New. pp. 224.

Paperback. Condition: Brand New. 224 pages. 7.72x5.04x0.71 inches. In Stock.

Condition: New. 2020. Paperback. . . . . .

Condition: New. 2020. Paperback. . . . . . Books ship from the US and Ireland.

Paperback / softback. Condition: New. New copy - Usually dispatched within 4 working days.

Paperback. Condition: New.

Condition: New. In.

Condition: good. Befriedigend/Good: Durchschnittlich erhaltenes Buch bzw. Schutzumschlag mit Gebrauchsspuren, aber vollständigen Seiten. / Describes the average WORN book or dust jacket that has all the pages present.

Condition: very good. Gut/Very good: Buch bzw. Schutzumschlag mit wenigen Gebrauchsspuren an Einband, Schutzumschlag oder Seiten. / Describes a book or dust jacket that does show some signs of wear on either the binding, dust jacket or pages.

Condition: New. pp. 224.

inb. Condition: Fine.