As with most lonely planet guides the information here is comprehensive. It includes prices of hotels, times of buses where to hire guides and so on. It would suit DIY trekkers as well as being a great companion for those taking part on organised treks in Ladakh, Himal Pradesh and Uttarakhand. The pages are well bound and stitched so this book won't fall to bits on your trek. Only two complaints really.
1. No information on trekking peaks such as Stok Kangri
2. Only sketchy information on towns in the area such as Leh or Manali so you will probably want to take the regular guidebook too and leave it in Leh (or wherever)whilst you trek with the handier sized trekking guide.