1. Setting the Stage: Wind Acceleration Mechanisms.- Acceleration Mechanisms for Cool Star Winds.- Thirty Years of Radiation-Driven Hot Star Winds.- A Thermo-Radiatively Driven, Analytical 2-D Model for Stellar Outflows.- Using ISO to Probe the Acceleration of Wolf-Rayet Winds.- A Critical Evaluation of Mass-Loss Rates and Wind Properties of Evolved Late-Type Stars.- Variable Winds in Yellow Supergiants.- Numerical Simulations of Dust-Driven AGB Winds: A Two-Fluid Model.- YSO Winds and Jets: Mechanisms and Variability.- On the Origin of Relativistic Winds from Accreting Stars.- 2. Observations of Cyclical Wind Variability.- The Solar Wind in Three Dimensions.- Observations of Wind Variability in Cool Stars.- Variations of Winds of Cool Giants in Ha.- Variability of the Circumstellar Shell of 89 Herculis.- Wind Variability in the Hypergiant HR 8752.- Variable Dust Emission Observed in Miras.- Variable Water Maser Emission from Circumstellar Disks.- Systematic Variability in OB-Star Winds.- Cyclical Variability in O-Star Winds (The H? Project).- Cyclic Polarization Variability of Bright O Stars.- Confirmation of a 2.3-Day Periodicity in the Wolf-Rayet Star WR 134: A Twin of EZ CMa?.- No Need for a White & Becker Disk-Like Wind in WR 140.- Phase Shifts Between Cyclical Spectral Parameters of P Cygni.- Long-Term Spectroscopic Variability of ? Carinae.- A Kinematic Study of the LBV Nebula Around ? Carinae.- Cyclic Variability in BA-Type Supergiants.- Rotational Modulation of B Supergiant Winds.- Expression of Turbulence and the Variability of Stellar Winds in Resonance Line Profiles.- Understanding A-Type Supergiants: Visible and Ultraviolet Spectral Variability.- Cyclic Variability in Be Star Winds: The Observations.- Stellar Wind Variability of Be Star FY CMa.- Fundamental Parameters for Seven Be Stars.- Wind and Jets in the Be Star 4 Herculis.- Variability of Be Stars Using Hipparcos Photometry.- The Interrelation Between Long-Term Cycles and Rapid Variations in Be Stars: A Photometric View.- Long-Term Cyclical Circumstellar Changes and He I lpv in the Be Star EW Lacertae.- Wind Variability in PMS-Stars.- Wind and Accretion Variability in T Tauri Stars.- Hot Spots on Classical T Tauri Stars with High Mass-Loss Rates.- Anisotropic Outflows from Herbig Ae/Be Stars.- Variability in the Wind of the FU Ori Object Z Canis Majoris.- A Variability Study of High-Resolution Profiles of DL Tauri.- The UV Variability of T Tauri Stars.- Spectroscopic Investigations of Cyclical Variability in the Gaseous Envelopes of Early-Type Emission-Line Stars.- Polarimetric Studies of Cyclic Phenomena in the Circumstellar Envelopes of the Young Herbig Ae/Be Stars.- Comparing Observations of Cyclical Variability in Hot- and Cool-Star Winds.- Nitrogen v in the Wind of the Pre-main Sequence Herbig Ae Star AB Aurigae.- 3. Processes Affecting the Emergence of the Stellar Wind.- Line-Profile Variability as a Diagnostic for Non-radial Pulsation Mode Identification.- NRP in Light and Colour: Diagnostic Value.- Nonradial Pulsations in Relation to Wind Variability in Early-Type Stars.- Predicting the Outbursts of the Be Star ? Cen.- Surface Magnetic Fields of Non-degenerate Stars.- The Hanle Effect as a Probe of Stellar Magnetic Fields.- Photometric Monitoring of Spotted T Tauri Stars.- The Activity Cycle and Interaction of Stellar Winds in the Capella System.- H? Line-Profile Variability in Chromospherically Active Stars.- Cyclical Variability in the Solar Wind.- Luminous Magnetic Rotator Theory.- Periodic Variability of ?1 Ori C.- Rotating Loops in the Atmosphere of Rigel (? Orionis A).- Constraints on Wind Structure from the Infrared and Radio Continuum of Hot Stars.- Clumping-Corrected Mass-Loss Rates of WR Stars: Dependence on Stellar Parameters.- Formation of Clumps in the Wind of Wolf-Rayet Stars by Thermal Instability and Alfvén Waves.- 4. Modelling Cyclical Variability in Stellar Outflows.- Understanding the Solar Wind.- The Solar Wind Modelled by Exact MHD Solutions.- Time-Dependent Behavior of Cool-Star Winds.- Atmospheric Dynamics and Stellar Winds of Long-Period Variables.- Pulsation and Stellar Winds: Some Lessons Learned from Dynamical Models of the Atmospheres of Cool Stars.- The Mass-Loss Rate of C-Rich Mira Stars.- Molecular and Dust Features in Mass-Losing AGB Stars: Models and ISO Observations.- Variability of CO Line Profiles in AGB Stars.- Temporal Variations of CO Infrared Lines in Cool-Star Winds.- Cyclical Variability in MHD Disk Winds.- Accretion Mass-Loss Relation and Variability in T Tauri Stars.- The Wind of FU Orionis: Modelling the Atmosphere.- Numerical Modeling of Anisotropic Stellar Winds in Herbig Ae/Be Stars.- Modelling Variability in Hot-Star Winds.- Semi-empirical Modelling of Cyclical Ha Line Profile Variability of O Stars.- Long-Term Cyclic V/R Variations in Be Stars.- Large, Oscillating Be Star Circumstellar Disks.- Variabilities in Be-Star Disks in Be/X-Ray Binaries.- V/R Variability in Be/X-Ray Binaries.- 5. The Musicos 1996 Campaign.- MUlti-SIte COntinuous Spectroscopy: Previous MUSICOS Campaigns.- MUSICOS Observations of SU Aurigae.- Short-Term Spectroscopic Variability in the Pre-Main-Sequence Herbig Ae Star AB Aur During the MUSICOS 96 Campaign.- Flares and Circumstellar Material Around the Fast-Rotating Giant FK Comae.- First Results of the November 1996 MUSICOS Campaign on the 07.5III Star ? Persei.- MUSICOS 1996 Campaign on the ? Scuti Star V480 Tau.- 6. Future Perspective.- Metallicity Dependence of Stellar Outflows and Their Variability.- Non-LTE Departure Coefficients of Hydrogen.- Outflows in Quasars: Radiative Acceleration and Variability.- Author Index.