Introduction: Reminiscences and Appreciation of a Great Astronomer -- Digging Foundations for the “Royal Road” -- One Fellow’s View of the “Royal Road” -- Reminiscences of a Japanese Contemporary -- RR CrB and Algol — The First and Last Star in Zden?k Kopal’s Life with Binaries -- Atmospheric Eclipses in WR+O Binaries: From Kopal and Shapley to Present Days -- Binary Star Morphology and Dymamical Aspects -- Resolving the Algol Paradox and Kopal’s Classification of Close Binaries with Evolutionary Implications -- Global Solution of Dynamical Systems — A Report to Z. Kopal, on What Followed Since -- Period Changes of Close Binary Systems -- The Eclipsing Binary BX Andromedae and its Orbital Period Behaviour -- The Unique Binary Star ? Coronae Borealis -- The Eccentric Eclipsing Binary V889 Aquilae -- Triple and Multiple Systems -- Estimation of Light Time Effects for Close Binaries in Triple Systems -- Eclipsing Binaries Showing Light-Time Effect -- Astrometric Solution of the Multiple System XY Leo -- V475 Sct (Nova Scuti 2003) — Binary or Triple System? -- Photometric Observations and Apsidal Motion Study of V1143 Cyg -- Intrinsic Variables as Components of Close Binaries -- Preliminary Analysis of V and Hp Light Curves of 26 Carbon Miras -- Non-Radial Pulsations in Components of Symbiotic Stars -- Be Stars in Binaries -- Orbital Parameters of the Binary Companion in o and Using Spectrum Disentangling -- Spectrum Disentangling and Orbital Solution for ? Dra -- An Outburst Detected in the Spectrum of HD 6226 -- Bimodal Structure of Gas Streams in Interacting Binaries -- Energy Transfer in W UMa Systems -- In Between ? Lyrae and Algol: The Case of V356 Sgr -- Mathematical Physics and Numerical Modeling -- EB Light Curve Models — What’s Next? -- Basic Functions of the Light Curve Analysis of Eclipsing Variables in the Frequency Domain -- Photometric Mass Ratios of Eclipsing Binary Stars -- The OGLE-TR-56 Star-Planet System -- Light Curve Analysis of Early-Type Close LMC Binaries -- New Techniques and Limitations of Light Curve Analysis -- A New Package of Computer Codes for Analyzing Light Curves of Eclipsing Pre-Cataclysmic Binaries -- Light Curve Analysis of Early-Type Overcontact Systems -- A Photometric Study of the Activity of SW Lac -- CCD Photometry and Modeling of the Overcontact Binary Systems NN Vir and YY CrB -- Radial Velocity and Light Curve Analysis of the Eclipsing Binary NN Vir -- On the Overcontact Binary V2388 Oph and an Improved M—R Relation for LTCBs -- AQ Psc — Analysis of New Light Curves -- CCD Photometry of the Neglected Contact Binaries V344 Lac and V1191 Cyg -- CCD Photometry of Neglected Eclipsing Binaries — KZ Dra, LR Cam and IM Vul -- An Observational Study of Contact Binaries with Large Temperature Differences Between Components -- Photometric Solution of the Eclipsing Binary V351 Pegasi -- V2213 Cyg is a New W UMa-Type System -- Light Curve Analysis of Two New W UMa Stars in M15 -- First Ground-Based Photometry and Light Curve Analysis of the Recently Discovered Contact Binary HX UMa -- UBV(RI)C Photometry of the Contact W UMa Binary BD + 14°5016 -- UV Leo: The Binary with the Two Suns -- Influence of Interstellar and Atmospheric Extinction on Light Curves of Eclipsing Binaries -- Results of Light Curve Analysis of the Massive Binary Cyg X-1/V1357 Cyg in Primary Minimum -- Evolutionary Processes in Low-Mass Binary Systems -- The Evolution of Massive Close Binaries -- Binary Evolution Compared to Observed Algols -- Contact Binaries: A Study of the Proximity Effects and Gravity Darkening Based on Kopal’s Fourier Method -- Multi-Facility Study of the Algol-Type Binary ? Librae -- Numerical Modeling of Mass Transfer in Close Binaries -- Doppler Tomography -- Indirect Imaging of the Accretion Disk Rim in W Crucis -- Present Understanding of the Light Curves of Symbiotic Binaries -- On the Asynchronous Rotation of Accretors in Interacting Binaries -- Photometric Evolution of the Orbital Light Curves of the Slow Nova V723 Cas -- Optical and X-ray Observations of the Symbiotic System AG Draconis During Quiescence and Outburst -- Towards an Understanding of Radial Velocity Shift in UV Spectra of Symbiotic Stars -- Preliminary Photometric Results for the 2003 Eclipse of EE Cep -- Spectroscopic Observations of the EE Cep Eclipse in 2003 -- BM Cas: A Long-Period Eclipsing Binary with a Supergiant and a Common Envelope -- MV Lyr: Transition from Low to High Brightness State -- Preliminary Analysis of Photometric Variations of the Central Star of the Planetary Nebula Sh 2–71 -- Observations of the Deeply Eclipsing Dwarf Nova GY Cnc -- Wavelength Dependence of the Orbital Variability of the Eclipsing Nova-Like Object DW UMa -- Flickering in the Magnetic CV Star AM Herculis -- Post-Common-Envelope Binaries with Distorted Secondaries -- Search for Correlations Between Batse Gamma-Ray Bursts and Supernovae.