Weekly fashion agenda: New York Fashion Week

Women's ready-to-wear season kicks off next week when the fashion crowd gathers in New York for fashion week. Also coming up: Kate Moss's Longchamp launch, Sonia Rykiel's knitwear for H&M, and an online Martin Margiela auction.

'Olivier Theyskens, The Other Side of the Picture' book release
February 11
International

Olivier Theyskens, the critically acclaimed designer who left French design house Nina Ricci in 2009, is portrayed by Vogue editor Sally Singer and photographer Julien Claessens in a new behind-the-scenes work. Priced at $120, the coffee-table book is already available for preorder.

http://www.assouline.com

Other upcoming fashion book releases include works by photography royalty Juergen Teller ( Deste Fashion Collection, $16.50), Rankin ( Rankin's Cheeky, around $50), and Karl Lagerfeld ( The Beauty of Violence, $31.50).

http://www.amazon.com

Kate Moss for Longchamp handbag launch
February 11
International

The first lot of the supermodel's bags for the brand hits international Longchamp boutiques and a few select department stores (Galeries Lafayette in Paris, Selfridges in London). Prices range from €290 to €990.

http://www.longchamp.com

Women's ready-to-wear
season starts February 11
International

Fashion season really kicks off with New York fashion week, followed by the less commercial but more cutting-edge London fashion week. Milan's well-established, luxury-focused event opens thereafter, and the industry's epicenter Paris will be wrapping things up in March.

New York: February 11 - 18
http://www.mbfashionweek.com/newyork

London: February 19 - 23
http://www.londonfashionweek.co.uk

Milan: February 23 - March 3
http://www.cameramoda.it

Paris: March 3 - 11
http://www.modeaparis.com

Heidi Klum for A Pea in the Pod launch
February 12
US

Taking over from maternity ambassadress Nicole Richie, who created a capsule collection for the brand last year, Klum has designed a line for stylish mothers, her first fashion design gig since closing her jewelry line in August.

http://heidiklum.destinationmaternity.com

Martin Margiela web auction
February 13
Online

Web luxe store Istdibs will open an auction of more than a thousand Margiela pieces, including conceptual clothing as well as artisanal objects. The items were gathered by collector Marcia Berger, who passed away in 2008.

http://www.1stdibs.com

Net-à-Porter relaunches wedding boutique
February 16
Online

The revamped web store will not only feature a wider selection of bridal dresses by fashion-forward designers but also lingerie, tiaras, and honeymoon swimwear.

http://www.net-a-porter.com

Sonia Rykiel for H&M launch
February 20
International

After the French designer's much-publicized lingerie collection for the Swedsih retailer, Rykiel's second collection (a first in H&M's designer collaborations) of knitwear for women and girls (1.5 to 8 years old), accompanied by "playful accessories," will go on sale worldwide.

http://www.hm.com

Other fashion releases for the month of February include Akris's first handbag range, Trussardi's first-ever women's collection, and watches by Jil Sander.

'The September Issue' DVD release
February 23
US

The DVD of the popular Vogue documentary will include 90 minutes of unseen footage and can be preordered via Amazon and iTunes.

http://www.amazon.com

YSL retrospective
March 11 - August 29
Paris/France

The Petit Palais museum in Paris is staging an eagerly awaited fashion retrospective of French designer Yves Saint Laurent who passed away in June 2008.

http://www.petitpalais.paris.fr